XR 1700 SPLINE Rear Wheel Cassette Body Type:Shimano Micro Spline M21 rear derailleurs are designed

M21 rear derailleurs are designed to work with 6- and 7-speed Shimano road and mountain shifters

this saddle is the top choice for those pushing the sport

Lighter weight than our standard Thermal Warmer collection

Same light shifting operation as top tier systems

XR 1700 SPLINE Rear Wheel Cassette Body Type:Shimano Micro Spline M21 rear derailleurs are designedIf cross country means high speed after work rides and the occasional endurance race to you, then have a closer look at the XR 1700 SPLINE wheel. The lightweight and welded aluminum rim, laced with competition spokes and reliable 36t Ratchet SL 350 hub, create a snappy accelerating wheel. Includes 6 bolt adapter