NS Track Crankset Options:NS Track Crankset, 1x 49T Chainring, 172.5mm Arm Length, 144BCD, 386EVO Spindle – Black The FLX saddle offers the

The FLX saddle offers the best in split saddle engineering

Durable steel

This Sigma BC 12

multi-material design

17mm sidewall height

NS Track Crankset Options:NS Track Crankset, 1x 49T Chainring, 172.5mm Arm Length, 144BCD, 386EVO Spindle – Black The FLX saddle offers theThe Vision NS Track Crankset is purpose built for velodrome performance, offering stiffness and simplicity for fixed gear racing. Its single ring configuration and robust carbon arms deliver direct power transfer, ideal for sprinting and high torque efforts. Designed for track specific drivetrains, this crankset supports riders who prioritize speed, rigidity, and clean mechanical efficiency. 49T single chainring 167. 5mm crank arm length 144BCD bolt