Box Three Prime 9 Speed Polished ChainDeveloped for MTB riding, this 9 speed chain offers incredible torque power and speed on the most challenging of mountain bike rides. This chain is polished and then chemically treated to achieve a level of corrosion resistance. All Prime 9 chains have chamfered shifting edges, solid plates and solid pins to safeguard durability. Box's unique inner link spacing is engineered to grab those modern wide/narrow chainrings. Box also chose to modernise the 9 speed platform due to the chain's spirited reputation.FAQIs the Box Three Prime 9 Chain compatible with other 9 speed drivetrains? Yes, All Box Prime 9 chains have standard external geometry that will work with most existing 9 speed drivetrains.Is the Box Three Prime 9 Chain Compatible with any wide narrow chainring? No, Box Prime 9 chains are compatible with most 11-speed wide narrow chainrings but there are some chainrings that can result in poor performance. We recommend the following 11 speed wide/narrow chainrings for best performance, Wolftooth Components, Raceface, One Up Components, Absolute Black.How should I clean my Box Three Prime 9 Chain? We suggest removing the chain from the bike and using a soft bristle brush or rag with soapy water or a mild degreaser. We do not recommend pressure washing, strong solvents or de-greasers as they could degrade the surface coating.Features: Material: Hardened Alloy Steel Use: MTB Durable Hardened Solid Pin Prime 9 Technology Compatible with Modern Wide/Narrow Chainrings Compatibility: Box One Prime 9 11-50T Cassette Black Box Two Prime 9 11-50T Cassette Black Box Three Prime 9 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 Weight: 312gBuy Box Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Box Four 8 Speed Narrow Wide Chain RingThis mountain bike (MTB) chainring features a hard-wearing steel construction, which allows it to withstand all of the speed and torque that's associated with long days on the trails. Box has also put this model through a forging process for extra durability and a CNC-machining process to remove any excess material while still maintaining strength. Coming complete with an ED Black Protection coating, it provides additional protection against corrosion when exploring the mountains in all-weather conditions.The Box Four Wide/Narrow chainring completes the package for the 1x8 system. It is the first 8 speed specific chainring designed to optimise chain retention when using 8 speed chains. The tooth profile and thicknesses are tailored to match the inside geometry of the unique Box Four chain.Features: Material: Forged and CNC-machined Steel Finish: ED Black Protection Use: MTB BCD: 104 Speed: 8 speed Tooth Count: 32T Tooth Profile: Narrow/Wide Manufacturer'S Part Number: BX4P9CR32 Weight: 124gBuy Box Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Box Two Headset Adapters allow the use of 1-inch threadless headsets and forks with 1-inch steerer tubes in frames designed for standard, 1 1/8-inch threadless headsets. Please note: this adapter is not designed to be used with integrated headsets.
Cold forged and CNC machined from 6061-T6 aluminum alloy, the Helix Seat Clamp is tough,lightweight and exceptionally good looking. Features laser-etched graphics and titanium hardware. Weighs 14g / 0.5oz (31.8 version)
Box One linear brake cable kits are among the most advanced BMX brake cables on the market, starting with custom Concentric housing that 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.
Box Two Chain Tensioners let you dial in your chain tension so it's just right. Two mounting holes provide room for ample adjustment on most frames. When used properly, Box Two Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be. For use with 10mm axles only.
Box One fork adapters let you run standard 10mm (3/8" axles) in a fork designed for 20mm axles.
Box One Sprocket Bolt kits include five 8.5mm front bolts, five 6mm front bolts and five 5mm rear nuts so they will fit just about any sprocket/crank combination, including those with threaded holes.
Extruded and CNC-machined from 6061-T6 aluminum, BOX Hub Spacers feature a minimalist design that is super lightweight and extremely good looking. Weights range from 0.2 to 0.8 grams, depending on the size. Sold in packs of four, including two 1-millimeter and one each 3- and 5-millimeter widths, a set provides spacing adjustments from 1 to 10 millimeters. Weight 5g / 0.17oz per set.
Box Two Quick Release Seat Clamps are cold forged and CNC machined from 6061-T6 aluminium alloy. Weighing in at just 27 grams/ 0.95 ounces in the 31.8 size, they are as lightweight as they are 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.
Box Two Brake Shoes have cartridge pad holders to fit 70mm replacement pads, making it easy to swap out worn pads, or for the style conscious, to change pad colors. Adding to the function, these shoes with a pivoting post, so setting them is super easy.
Extruded and CNC-machined from 6061-T6 aluminum, Box One Stem Spacers feature an ultra-minimalist design that is super lightweight. Weights range from 0.02 to 0.14 ounces (0.56 to 4 grams), depending on the size. Sold in packs of five, each set provides spacing adjustments from 1 to 20 millimeters. Available in anodized red, blue, and black to fit 1” and 1 1/8” forks. For the best performance, stack the spacers so the vertical supports are in alignment. Each kit includes the following spacers: (2) 1mm, (1) 3mm, (1) 5mm, (1) 10mm. Maximum recommended user weight for 1" is 99 pounds. Maximum recommended user weight for 1.1/8" is 120 pounds.
Box Four 8 Speed Polished ChainIdeal for mountain bike riding, this 8 speed chain gives you fantastic torque strength and speed on every MTB ride. This model employs an 8 speed platform in a similar strategy to the Prime 9 model but at a great value price point. It features a polished construction that is then chemically treated to achieve corrosion resistance. Box has also engineered the inner link spacing to be a little tighter than other 8 speed chains as well as optimising it for use with the Box Four Wide/Narrow Chainring.FAQIs the Box Four Prime 9 Chain compatible with other 8 speed drivetrains? Yes, The Box Four Prime 9 chain has standard external geometry that will work with most existing 8 speed drivetrains.Is the Box Four Prime 9 Chain Compatible with any wide narrow chainring? No, we make a Wide/Narrow Chainring specific for use with Box Four 8 Speed drivetrains.How should I clean my Box Four Prime 9 Chain? We suggest removing the chain from the bike and using a soft bristle brush or rag with soapy water or a mild degreaser. We do not recommend pressure washing, strong solvents or de-greasers as they could degrade the surface coating.Features: Material: Hardened Alloy Steel Use: MTB Speed: 8 speed Durable Hardened Solid Pins Wide/Narrow 8 speed Specific Compatibility: Box Four 8 Speed Shifter Black Box Four 8 Speed Wide Rear Derailleur Black Box Four 8 Speed 11-42T Cassette Black Box Four 8 speed Wide/Narrow Chainring 104BCD 32T Black Weight: 364gBuy Box Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Box Three Quick Release Seat Clamps are cold forged and CNC machined from 6061-T6 aluminum alloy. The head of the 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.
Adjusting chain tension is quick and easy with the Box Three Chain Tensioner. With a single hole "lollipop" design, these tensioners reduce weight and help keep your rear wheel locked in place.
Box One's Race Linear Brake Cable is built specifically for BMX-racing and the stresses and strains the brakes are put under. It all starts with custom cable housing that features stainless steel mesh-wrapped linear wires for the best combination of braking and cable strength. The inner cable wires are stainless steel so they won't rust over time.
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.
Designed for the European market and for UCI races, Box Two Side Number Plates are made from embossed foam and feature full-color printed graphics. They meet UCI regulations and fit all bicycle frames. Hook-and-loop straps combined with a piece of adhesive-backed hook-and-loop tape hold the plates firmly in place.
Nano cables are specially treated with a friction-reducing PTFE coating to boost braking power and performance. Each brake cable conveniently includes ends to fit most BMX brake levers.
Extruded and CNC-machined from 6061-T6 aluminium, Box One Hub Lock Rings are lightweight and beautiful. Replace that old steel lock ring you have now and save some weight while adding style and color to your whip to fit Shimano-compatible cassette bodies. Keep in mind, aluminium is softer than steel, so use care when installing one of these lock rings.