The unique tread design makes this extremely fast rolling while providing awesome traction on both asphalt and hard pack dirt

Compatibility: Shimano - FC-E8000

Shell width: Suitable for use with 68/73mm & 83mm shell BB92 frames

Fits all 148x12mm and 142x12mm Santa Cruz frames including:

Extension: 45mm

SQLab 611 Ergowave Active 2.1 S-Tube Saddle - Wings for Life - Steel (Lightweight) - 140mm PDP|PLP|Rail Material The unique tread design makesSQ Lab's 611 Ergowave Active 2. 1 saddle has been designed with gravity and all mountain riders in mind combining cutting edge technology and features to keep you comfortable all day whilst maximising your output and efficiency. The distinctive SQ Lab wave shape, low and broad nose and anatomical recess all provide optimal pressure relief and weight distribution, while the specially designed MTB specific padding reduces vibration and the Active