This Box Three rear mech simplifies the features found on the Prime 9 Box One & Two model's, making for a fully-featured value ...

This 9 speed shifter makes good use of nylon composites in both top & bottom shells as well as in the lever. Box Three is Box's performance & value tier, so this shifter sheds all the fancy trappings of the top 2 tiers but still maintains their incredible shifting characteristics. All Prime 9 shifters take advantage of the 9 speed's inherent durability, simplicity, & reliability. Not only is the shifter mechanism joyfully simplified, but fewer shifts are needed for every mile of travel. & the best part is? Prime 9 is also terribly forgiving so you won't have to constantly adjust your set-up. 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 Chain 126L DLC Black • Box Two Prime 9 126 Link Chain Nickel • Box Three Prime 9 126 Link Chain Polished • Box One Prime 9 Rear Derailleur • Box Two Prime 9 X-Wide Rear Derailleur Black • Box Three Prime 9 X-Wide Rear Derailleur Black • Multi Shift Option Not Intended for E-Bike Use • Single Shift Option Recommended for E-Bike Use FAQ:
- Does the Box Three Prime 9 Shifter come with a cable? Yes. All Prime 9 Twin Lever Shifters come with a stainless steel shift cable.
- How do I remove the cap from the cable port to install a new cable? To remove it, use a Phillips head screwdriver & turn it counter-clockwise a quarter turn You can then push the cap out by applying pressure to the cable from the other side. Please Note: The Cable Port is not a screw that un-threads from the cable port if you turn the cable port screw more than 90 degrees damage may occur.
- Is the Box Three Prime 9 Shifter compatible with other 9 speed derailleurs? No, traditional 9 speed systems use a Cable Pull that is not compatible with Prime 9.


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Perfect for aggressive trail riding, this 11 speed model also works with Box 7 speed DH cassettes, offering fast shifting & a secure hold. ...

This lightweight & durable model is constructed from strong 6061-T6 aluminium with glass fibre & nylon composite for faster & smoother shifting than before. Packed with some of the finest top quality technologies & features, you'll have a gear for every situation from the trail to cross-country. Technologies: Tri-Pack Limited Slip Clutch: The Tri-Pack limited slip clutch is an innovative chain damper that vastly reduces derailleur cage bounce & chain slap. The system also maintains tension for better chain wrap. At its core is a clutch pack, that is capable of providing a large amount of force in a small package. Durable 3D Forged Linkages: Impact resistance is greatly enhanced by way of forging — a key manufacturing process that strengthens critical components. Tested at the premier freeride event of the season — Red Bull Rampage — this new construction has proven itself capable of performing at the highest level. Pivot-Tech: Impact resistant, spring-loaded cable stay keeps cable, housing & you out of harm’s way. ...

This superb model is specifically designed for MTB use, as its ultra-strong 6061-T6 aluminium, glass fibre & nylon composite ...

This superb model is an ideal replacement for use with your Box Two e-bike 9 speed drivetrain. This is perfect for replacing ...

Made from strong & durable 6061-T6 aluminium, carbon fibre & nylon composite construction, this stunning model is more than ...

This fast shifting electric MTB cassette is specially designed for use with electric mountain bikes. Whether you're shredding the trails or exploring new cross-country terrains, this stunning model delivers a smooth & precise shifting experience whatever the riding conditions. Even under pressure, you'll benefit from easy climbs & fast descents thanks to its strong 7075-T6 aluminium construction providing a solid & durable surface that's made especially for off-road riding. To top it off, it weighs in at only 650g, so you won't have to worry about any excess weight holding you back when conquering the trails. ...

Cold forged for enhanced strength, this 6061-T6 aluminium seat clamp is the ideal collar to fix your preferred seating position in place. Compatible with a wide range of seat tubes, you can take on a variety of riding styles with complete confidence that your seat won't move. ...

Constructed from robust steel & aluminium, it's compatible with Shimano HG hubs, with a cog for every section of your ride. Lightweight & durable, this cassette is an ideal off-road drivetrain essential. ...