Components

Clean up your control center with Avid's Matchmaker clamp. It combines the mounts for your SRAM shifters and Avid brake levers into one simple, sleek unit so you can drop some grams and keep your bar nice and tidy.

Avid, Post Bracket, Includes Stainless Caliper Mounting Bolts (CPS and Standard)

Avid, Post Bracket, Includes Stainless Caliper Mounting Bolts (CPS and Standard)

Avid's Rear 170mm Post Bracket Hardware Kit has everything you need to mount a 170mm rotor (sold separately) to the back of your bike. Kits include mounting bolts and a 30mm post mount spacer for rear brake installation.

Avid's Front 170mm Post Bracket Hardware Kit has everything you need to mount a 170mm rotor (sold separately) to the front of your bike. Kits include mounting bolts and post mount spacers for front brake installation.

The BB5 offers our Tri-Align Caliper Positioning System, tool-free pad replacement, a melt-forged body and an inboard pad adjustment knob. One try and you'll wonder if the BB5's are really entry-level brakes. - Mechanical simplicity

Bring the power and performance of disc brakes to your drop bar bike. - Road-specific. - Mechanical simplicity.

Clean up your handlebar with Avid's MatchMaker X clamp. It combines mounts for your SRAM shifters and Avid brake levers into one simple, sleek unit so you can shed grams and keep your bars nice and tidy. You can also integrate RockShox's XLoc remote (sold separately) for maximum convenience and ease of use.

Need a replacement line for your Avid hydraulic disc brakes? You're covered with Avid's Hydraulic Line Kit. It's got 2000mm of hose for front or rear application, and all the fittings to work with your brakes.

For the ultimate light-weight brake setup, Avid ditched the concentric caliper-centering washers and gave you titanium bolts to save precious grams. This kit includes ultra-light titanium hardware for standard (direct-mount) mounting.

Bolt on Avid's Shorty Ultimate Brake Pads for excellent braking no matter the conditions. The easy-to-use cartridge design makes swapping pads a breeze.

The BB5 offers our Tri-Align Caliper Positioning System, tool-free pad replacement, a melt-forged body and an inboard pad adjustment knob. One try and you'll wonder if the BB5's are really entry-level brakes. - Mechanical simplicity

Smooth, powerful braking performance that's simple to set up and easy to adjust. Bad weather or rough roads? Not even a factor with BB7's reliable mechanical performance. Compatible RED, Force, Rival and Apex levers. - Road-specific - Mechanical simplicity - Adjustability

Clean up your handlebar with Avid's MatchMaker X clamp. It combines mounts for your SRAM shifters and Avid brake levers into one simple, sleek unit so you can shed grams and keep your bars nice and tidy. You can also integrate RockShox's XLoc remote for maximum convenience and ease of use.

With gobs of beautifully modulated power and intuitive easy-to-use adjustability, the BB7s set the standard in the realm of mechanical disc brakes. Inboard and outboard adjustor knobs, Tri-Align Caliper Positioning System, and integrated cable stop spring tension adjustment ensures that our standard is everyone else's goal. - Mechanical simplicity - Adjustability

A sleek and stylish upgrade to the best mechanical caliper on the market. The BB7S stainless steel hardware and anodized finish make it right at home on any road-disc build. Compatible with RED, Force, Rival and Apex levers. - Black anodized finish - Stainless steel hardware

Power, control and strikingly good looks. That's the story with the all-new BB7S Mountain mechanical disc brakes from Avid. This update on the well-established BB7 Mountain includes new stainless steel hardware and sleek black anodizing that makes them look as fast as you'll feel. Part of the beauty with the BB7S Mountain is the no-brainer performance. You get smooth, modulated power and control plus user-friendly setup and adjustability. And the lightweight rotors keep the weight in check so the performance boost applies to climbs as well as descents. - Stainless steel hardware - Compatible with linear pull brake levers

CNC machined from 6061-T6 aluminum alloy, Box One Schrader Valve Caps add a touch of style to any bike. Available in anodized red, blue, and black with laser-etched Box logos.

CNC machined from 6061-T6 aluminum alloy, Box One™ Presta Valve Caps add a touch of style to any bike. Available in anodized red, blue, and black with laser-etched Box logos. Material 6061-T6 Aluminum Weight 0.25 grams / 0.008 ounces

Our Box One Inner Shift Cable is the perfect upgrade for your Box Three or Box Four cable. It is also an ideal replacement for your Box One or Box Two cable set-up. When combined with our Box One housing it has proved to be superior to most competitive product. We have data that demonstrates lower initial resistance and substantially less difference in resistance over time. FEATURES - Our Best Performing Cable - Slick Coated - Inner Cable 2100mm - (2) 1.8mm Cable End Crimps COMPATIBILITY - Works with 11, 9, 7, 8, 12, and 10 speeds - Weight: 14.6 grams

With a stiff, one-piece, co-molded design, Box Three™ Air Flow Brake Shoes provide the excellent stopping power and are the perfect choice for your next build. They include two-tone, dual-compound pads that feature a unique finned design that helps improve airflow. Pivoting posts aid installation and make toe-in adjustments simple and easy.

Extruded and CNC-machined from 6061-T6 aluminum, Box Two™ Stem Spacer Kits feature a lightweight design. Weights range from 0.24 to 0.29 ounces (6.7 to 8.2 grams), depending on the size. Sold in packs of five, each set provides spacing adjustments from 1 to 20 millimeters. FEATURES - Lightweight Design - Adjustment options from 1 to 20 millimeters - Fits 1" or 1-1/8" Steerer Tubes and Standard 22.2mm Handlebars SPECIFICATIONS - Inner (Ø) 1" or 1-1/8" - Height 1mm, 3mm, 5mm, 10mm 1mm, 3mm, 5mm, 10mm - Material 6061-T6 Aluminum 6061-T6 Aluminum - Weight 6.7 grams / 0.24 ounces 8.2 grams / 0.29 ounces

The Box One Cassette Spacer Kit is extruded and CNC-machined from 6061-T6 aluminum and features a super lightweight minimalist design. Packaged in 4-piece kits which provide 1 to 10 millimeters of spacing adjustment to dial in that chain line. FEATURES - Adjustable from 1mm to 10mm for Adjusting Chainline - Extremely Lightweight XO Skeleton Design SPECIFICATIONS - Material: 6061-T6 Aluminum - Extruded & CNC Machined - Anodized Finish - Spacing: 1-10mm (1mm [2], 3mm [1], 5mm [1]) - Driver: HG Freehub Body

- Includes: (5) 8.5mm outer bolts, (5) 6mm outer bolts, (5) 5mm inner nuts

Box Two Brake Shoes have cartridge pad holders to fit 70-millimeter replacement pads, making it easy to swap out worn pads or, for the style-conscious, to change pad colors. Adding to the function, we designed these shoes with a pivoting post, so setting the toe-in is super easy. Features: - 70-millimeter replacement pads - Pivoting posts - Triple Compound Specs: - Material: 6061-T6 Aluminum - Pad Material: Triple Compound - Weight (per pair): 57 grams / 2.01 ounces

Box Two™ Fixed Seat Clamps are made from the finest 6061-T6 aluminum and cold-forged for strength. They are available in multiple sizes to suit a wide variety of seat tubes and riding styles. FEATURES: - Machined Rigid Frame - Secure Fixed Design SPECIFICATIONS: - Material: 6061-T6 Aluminum - Process: Cold-Forged - Hardware: Chromoly - Finish: Anodized w/Laser-Etched Graphics Size & Weight: - 25.4mm: 7 g / 0.2oz - 31.8mm: 12 g / 0.4oz

Want the best combination of braking power and cable strength? Box Two Linear Brake Cable Kits start with custom housing that includes stainless steel mesh-wrapped linear wires for The inner cable wires are stainless steel, so they won’t rust over time. Each cable kit includes 63 inches of Linear housing, a BMX-race specific stainless steel cable wire, two black brass ferrules, and two black alloy cable end caps. FEATURES - 63 inches of Linear housing - BMX-race specific stainless steel cable wire - Two black brass ferrules - Two black alloy cable end caps - Stainless steel cable wires SPECIFICATIONS - Weight: 24 grams / 0.84 ounces

- Ultralight, CNC-machined 6061 aluminum spacers for fine-tuning stem height - Includes one each: 3, 5, 10mm spacers and two each: 1mm spacers

The Box Four chain employs an 8-speed platform in a similar strategy to the Prime 9 but at a great price point. The chain is polished and then chemically treated to achieve corrosion resistance. We engineered the inner link spacing to be a little tighter than other 8-speed chains and is optimized for use with our Box Four Wide/Narrow Chainring.

Box Two Quick Release Seat Clamps are cold-forged, and CNC machined from 6061-T6 aluminum alloy. Weighing in at just 27 grams/0.95 ounces in the 31.8 size, they are as lightweight as tough. The head of the quick-release lever and the face of the clamp are given a proprietary low-friction surface treatment that ensures smooth lever action for the life of the clamp without the need for a bushing. Meets or exceeds ENM standards.

- Cold forged, CNC-machined cartridge body with self-aligning pivoting posts - Triple-compound 70mm pads

Box One 70mm Brake Shoes feature a stiff, cold-forged, and CNC-machined cartridge body and triple-compound, 70-millimeter pads for superior braking. Mounting posts that pivot allow for perfect pad alignment, while silver machined accents and laser-etched graphics offer refined aesthetics. - 70-millimeter replacement pads - Pivoting posts - Triple Compound - silver machined accents

Cold-forged and CNC machined from 6061-T6 aluminum alloy, Box One Fixed Seat Clamps are tough, lightweight, and exceptionally good looking. Featuring titanium hardware and laser-etched graphics, Box One Fixed Seat Clamps are available in anodized black, blue, red, and silver.

Box One™ fork adapters let you run standard "Male" 10mm (3/8" axles) in a fork designed for 20mm axles. - Material 6061-T6 Aluminum

Box One Linear Brake Cable Kits are among the most advanced BMX brake cables on the market. The custom Concentric housing includes aramid fiber-wrapped aluminum/steel linear wires for the best combination of strength and low weight. The inner Nano Cable wires are treated with a PTFE coating that reduces friction and boosts braking performance. Our anodized aluminum Kollars ferrules further reduce cable drag. Each cable kit includes 79 inches of Concentric Linear housing, a black PTFE-coated Nano Cable, four alloy Kollars ferrules and one color-matched and one black alloy cable end caps. Available in chrome, 14K gold, red, blue and black with alloy Kollars ferrules and end caps.

The Box One 31.8 shifter clamp is an accessory that converts any Box shifter to be compatible with modern drop handlebars found on gravel, cyclocross, and commuter bikes. While these bikes traditionally come with clutchless 2-by drive-trains, the addition of this clamp makes the conversion to a more user-friendly and durable Prime 9 drive-train affordable and simple. FEATURES: - Fits All Box Shifters - Matte Onyx™ Finish - Fits 31.8 Drop Bars - 2 Piece Hinged Design COMPATIBILITY: - Box One™ 9S Shifter - Box Two™ 9S Shifter - Box Three™ 9S Shifter - Box Four™ 8S Shifter SPECIFICATIONS: - Hardware 1215 Steel - Material Aluminum - Compatibility Works with 7, 9, and 11 Speed Systems - Weight 22g/0.77oz

The Box Three Disc Brake Rotor is a Stainless Steel, 6 bolt rotor designed for BMX Race. Utilizing a small size and rounded outside edges for safety is the optimal size for any BMX Race bike. FEATURES: - ISO 6 bolt brake/hub interface - Rounded outside edges - Lightweight Cutouts - High quality stainless steel rotor - High quality locking steel T-25 rotor bolts included

The Box Two chain's nickel plating adds both corrosion and wear resistance. All Prime 9 chains have chamfered shifting edges, solid plates, and solid pins to safeguard durability. Our unique inner link spacing is engineered to grab those modern wide/narrow chainrings. We chose to modernize the 9-speed platform due to the chain's spirited reputation. FEATURES - Prime 9 Technology - Our Most Durable Chain - Wide/Narrow Chainring Compatible - Durable Hardened Solid Pins - Includes Nickel Connecting Link - Nickel Plated Protection - Extra Long for Long Wheel Base & Cargo Bikes IMPORTANT NOTES - Available in 2 lengths: 126L & 144L - Compatible with BMX 3/32" Chainrings and Cogs - Compatible with most 10,11, & 12-speed wide/narrow chainrings. COMPATIBILITY - Box One Prime 9 11-50T and also 12-50T eBike Cassette Black - Box Two Prime 9 11-50T and also 12-50T eBike Cassette Black - Box Three Prime 9 11-50T and also 12-50T eBike Cassette Black - Box One Prime 9 Rear Derailleur - Box Two Prime 9 X-Wide Rear Derailleur Black - Box Three Prime 9 X-Wide Rear Derailleur Black - Box One Prime 9 Shifter Black - Box Two Prime 9 Shifter Black - Box Three Prime 9 Shifter Black - Box Two Chainring - Box One Single Speed Aluminum Cogs - Box One Single Speed Chromoly Cogs - Box Two Freewheel - Perfect for your 3/32" BMX Chainring

- CNC-machined 6061-T6 aluminum with titanium hardware - Zero-friction cam surface treatment ensures smooth lever action - 31.8mm - 27g

Box Three V-Point Brake Levers are the most versatile levers in the entire Box family. Available in either short or long reach versions, Box Three Levers are reversible, allowing users to 'flip' the lever for use on either side of the handlebar. Other features include reaching adjustment for accurate positioning and a barrel adjuster to fine-tune cable tension.

Box Three V-Point Brake Levers are the most versatile levers in the entire Box family. Available in either short or long reach versions, Box Three Levers are reversible, allowing users to 'flip' the lever for use on either side of the handlebar. Other features include reaching adjustment for accurate positioning and a barrel adjuster to fine-tune cable tension.

The Box Four shifter's main features aren't strikingly different from Box Three's. The key difference is its 8-speed platform. We've chosen to modernize the 8-speed in much the same way we did the 9-speed for Prime 9. Just like the Prime 9, the Box Four shifters take advantage of the "less is more" theme and exploit durability, simplicity, and reliability. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes). -Our 8 is Enough Shifter -Lightweight Extruded Clamp -Responsive 2 Piece Pull Lever -MTB Style Release Lever (V2) Weight: 128g/4.5oz

Box One Single-Speed Chromoly Cogs are CNC-machined from long-wearing CNC-machined chrome-molybdenum. It's designed to fit Shimano™ compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface with the cassette body. FEATURES - Chromoly Steel Offers Extra Long Service Life - 5mm Wide Inner Base to Give a More Solid Interface with Freehub Body

Box Two™ Brake Post Extenders are the perfect solution for those riders needing extra brake pad adjustment without switching frame sizes. CNC-machined from 6061-T6 aluminum, Box Two™ Brake Post Extenders easily mount to any frame's existing cantilever brake bosses. They provide an additional 16 mm of brake arm positioning. Typically, they are most useful when a rider transitions from one wheel size to the next (i.e., 451 to 406). Depending on your application, they can be mounted in either one of two positions -- above the frame's v-brake mounts or below (see Technical). FEATURES: - Cantilever brake boss compatible - 16 mm of brake arm positioning - 6061-T6 aluminum - Thread M10 x 1.25 SPECIFICATIONS: - Material: 6061-T6 Aluminum - Thread: M10 x 1.25 - Weight: 32 grams / 1.1 ounces

Cold forged and fully CNC-machined from several high-strength aluminum alloys, new Box One™ Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. All new Box One™ Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.

Cold forged and fully CNC-machined from several high-strength aluminum alloys, new Box One™ Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. All new Box One™ Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.

Cold forged and fully CNC-machined from several high-strength aluminum alloys, new Box One™ Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. All new Box One™ Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.

Cold forged and fully CNC-machined from several high-strength aluminum alloys, new Box One™ Stem Locks offer peace of mind and a level of added protection against losing your front wheel and fork legs in the event of a broken steerer tube. All new Box One™ Stem Locks are backward compatible with existing Box forks and may work with forks from other manufacturers.

DESCRIPTION The Box Three Brake is available in 85mm with short reach lever or 108mm with long reach lever. They include two-tone, dual-compound pads that feature a unique finned design that helps improve airflow. The Philips head tension screws aid installation and makes toe-in adjustments simple and easy. FEATURES - Cold Forged from 6061-T6 Aluminum - Up to 35mm of brake pad adjustment - Box Three™ Air Flow Brake Shoes w/ Dual Compound Pads - Brass bushings, Stainless Steel Hardware - Phillips head tension screw - 5mn allen key to secure cable on right arm

The Box Three shifter makes good use of nylon composites in both top and bottom shells as well as the levers. Box Three is our performance and value tier. So this shifter sheds all the fancy trappings of the top 2 tiers but maintains their shifting characteristics. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

The Box Three shifter makes good use of nylon composites in both top and bottom shells as well as the levers. Box Three is our performance and value tier. So this shifter sheds all the fancy trappings of the top 2 tiers but maintains their shifting characteristics. All Prime 9 shifters take advantage of the 9-speed's inherent durability, simplicity, and reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. And the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. Available as a multi-shift (pull several gears at once) or single-shift shifter (a sound choice for e-bikes).

Box Two Square Taper Chromoly Bottom Brackets are the best option for young BMX racers and other users of three-piece cranks in search of an affordable, high-performance square taper bottom bracket. Each bottom bracket is hand-assembled with a Chromoly spindle, sealed bearings, forged and CNC-machined alloy cups, and a composite center spacer/seal. Features: - Precision Abec-5 Sealed Bearings Compatibility: - Box Five Square Taper Crankset Specs: - Process: CNC-Machined Cups Material: - Spindle: Chromoly - Cups - Alloy - Sleeve - ABS Plastic - Finish: Nickel Coating - Spindle Type: JIS Square Taper - Spindle Length: 108mm or 113mm - Shell Width: 68mm - Thread: 1.37" x 24 TPI - Compatibility: BSA Threaded - Weight [108-113] (+/- 5%): 272 g / 9.6 oz

- CNC-machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear

The Box One Disc Brake Adapter is designed to improve braking control on frames where disc brakes were not standard. Compatible with 2 types of dropouts and 3-10mm hubs, the Box Disc Brake Adapter goes over your hub’s axle and mates with the frame’s dropout in the right configurations allowing mounting of a standard post mount disc brake caliper. Please note this product is NOT universally compatible. We strongly recommend reading the Compatibility and Installation instructions for details before purchasing Compatibility: - Box Three Pro Disc Hub - Box Three Brake Caliper - Box Three 140mm Disc Brake Rotor - ALL Box Brake Levers - Box Linear Brake Cables Specs: - Post Mount Caliper Compatibility - 140mm Brake Rotor Only - 6061-T6 Aluminum - Standard 10mm Dropout - 60g - Fits 3 - 10mm hubs (See Compatibility Below) - 150lb Rider Weight Limit

The Box One Disc Brake Adapter is designed to improve braking control on frames where disc brakes were not standard. Compatible with 2 types of dropouts and 3-10mm hubs, the Box Disc Brake Adapter goes over your hub’s axle and mates with the frame’s dropout in the right configurations allowing mounting of a standard post mount disc brake caliper. Please note this product is NOT universally compatible. We strongly recommend reading the Compatibility and Installation instructions for details before purchasing. FEATURES - 3-10mm hub - 6061-T6 aluminum - 140mm Brake Rotor Only - Post Mount Caliper Compatibility - 150lb Rider Weight Limit

Box One Single-Speed Aluminum Cogs are 7075-T6 aluminum alloy. It's designed to fit Shimano compatible cassette hubs and has a 5mm wide inner base, giving a more solid interface with the cassette body. The alloy cogs are anodized black with laser-etched graphics. FEATURES - Shimano Compatible Driver - 7075-T6 Alloy - 3/32" or 1/8" Chain Compatible - Lightweight SPECIFICATIONS - Material: 7075-T6 Aluminum - Process: Laser-etched logos Weight - 13t: 8 grams / 0.3 ounces - 14t: 11 grams / 0.4 ounces - 15t: 13 grams / 0.5 ounces - 16t: 14 grams / 0.8 ounces - 17t: 16 grams / 0.6 ounces - 18t: 18 grams / 0.65 ounces

The Box One chain is protected by our dual-coating. We start with Nickel plating which aids in corrosion resistance and then top it off with the "Diamond-Like Carbon" layer. The DLC is as fancy as it sounds; a synthetic diamond nano-coating that turns up the volume on hardness, wear-resistance, and slickness. All Prime 9 chains have chamfered shifting edges, solid plates and solid pins to safeguard durability. Our unique inner link spacing is engineered to grab those modern wide/narrow chainrings. We chose to modernize the 9-speed platform due to the chain's spirited reputation. FEATURES - Our Best Performing Chain - Durable Dual-Coating - Includes Black Connecting Link COMPATIBILITY - Box One Prime 9 11-50T and also 12-50T eBike Cassette Black - Box Two Prime 9 11-50T and also 12-50T eBike Cassette Black - Box Three Prime 9 11-50T and also 12-50T eBike Cassette Black - Box One Prime 9 Rear Derailleur - Box Two Prime 9 X-Wide Rear Derailleur Black - Box Three Prime 9 X-Wide Rear Derailleur Black - Box One Prime 9 Shifter Black - Box Two Prime 9 Shifter Black - Box Three Prime 9 Shifter Black - Box Two Chainring - Box One Single Speed Aluminum Cogs - Box One Single Speed Chromoly Cogs - Box Two Freewheel - Perfect for your 3/32" BMX Chainring

Made in the US from 6061-T6 aluminum alloy, Box Two Chainrings are round and true. They fit 104 BCD four-bolt cranks and are available in black anodized with laser-etched graphics from 38 to 45-teeth.

The Box One Rims feature a double-walled, eyeleted, low-profile design optimized to be both lightweight and durable! We offer these in both brake and brake-less variants. You’ll have a clean and sleek wheel build with rim brake tracks as needed. FEATURES - Low Profile Design - Optimized Internal Geometry - Machined Brake Track IMPORTANT NOTES Brake-less variants do not have a brake track and therefore are not designed to be used with rim brakes! They are to be used as front or rear rims with disc brakes ONLY! COMPATIBILITY - Box One XS Mini Carbon 1" alloy steerer 20" x 10mm fork - Box One Harmonic Expert Hubset 28h - Box Three Expert Hubset 10mm 28h - Box One Stealth Expert 10mm Front Hub 28h - Box One Stealth Expert 10mm Rear Hub 28h

The Box One Rims feature a double-walled, eyeleted, low-profile design optimized to be both lightweight and durable! We offer these in both brake and brake-less variants. You’ll have a clean and sleek wheel build with rim brake tracks as needed. FEATURES - Low Profile Design - Optimized Internal Geometry - Machined Brake Track IMPORTANT NOTES Brake-less variants do not have a brake track and therefore are not designed to be used with rim brakes! They are to be used as front or rear rims with disc brakes ONLY! COMPATIBILITY - Box One XS Mini Carbon 1" alloy steerer 20" x 10mm fork - Box One Harmonic Expert Hubset 28h - Box Three Expert Hubset 10mm 28h - Box One Stealth Expert 10mm Front Hub 28h - Box One Stealth Expert 10mm Rear Hub 28h