Butter

Butter b2 Thru-Axel Chain Holder

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  • MSRP $40.00


You will never find a finer chain holder for thru-axle bicycles than the butter b2. That’s because this is the first and only chain holder for thru-axle bicycles. The b2 is the most elegant, concise solution to securing your chain. Literally years in the making to perfect its simple design and working parts, this chain keeper is universally adaptable for 142 x 12mm rear ends – mountain, road or cross. Whether cleaning or storing your beloved bike, the b2 is a crucial, beautiful component of a mechanic’s toolkit that the world has been missing. Until now. 

The adaptable design of the b2 makes it easy to use, foiling the bike industry’s lack of standardization. Slide it into the axle dropout, twist, and you’re locked and loaded. Dog Ear Technology© orients the tool’s position and locks the b2 into the dropout to automatically prevent rotation. Outstanding build quality ensures that it won’t wear out or break.

Proudly, the b2 is manufactured from top grade materials and hand assembled in Boulder, Colorado.

The b2 works on all 142 x 12mm thru axles and is not compatible with 10mm diameter axles or any other non-standard variants i.e. the new Focus bikes RAT system hybrid axle. If you have a Focus RAT frame get the b2 RAT


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