WCS 1-Bolt Seatpost Saddle Rail Clamps Options:WCS 1-Bolt Seatpost Saddle Rail Clamp - Outer Plates, For Alloy Posts, 7 x 7mm Rails, Black Full Carbon sole

Full Carbon sole

4-way stretch on the back

STRONG LIKE BULL (NO BULL): Our strongest rim shape combined with off-set spoke drilling and molded with optimized carbon fibers for front and rear specific characteristics

Shimano’s Hollowtech II cold hammer forging provides optimal weight

With MicroTune fine-tuning power output levels in real time is at your fingertips

WCS 1-Bolt Seatpost Saddle Rail Clamps Options:WCS 1-Bolt Seatpost Saddle Rail Clamp - Outer Plates, For Alloy Posts, 7 x 7mm Rails, Black Full Carbon soleSeatpost saddle rail clamp kits adapt existing seat posts with various saddle rails of different shapes and dimensions. Outer plates to adapt WCS Carbon 1 bolt posts to various saddle rail dimensions