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SRAM bottom bracket for BB86 frames (86
Speed single & Multi-Speed Chain Up To 12 Speed
Integrated wireless unit for communication with Di2 shifters
yet delivers twice the puncture-defeating power
SRAM Eagle XG-1299 12 Speed Cassette - Gold 10-52 Groupe SRAM bottom bracket for BB86The X DOME Eagle cassette has no peer. It buried the last dangling shred of an argument in favor of a mountain bike front derailleur. And now, its 10 50 tooth gear range has open the door for an entire ecosystem of Eagle groupsets. Designed for use with our proven, reliable XD driver body, this 12 speed, cassette offers an optimal 500 percent gear range. In independent tests the X Dome architecture is proven to yield the strongest cassette on the