XR 1700 SPLINE Rear Wheel Cassette Body Type:Shimano Micro Spline Lighter weight than our standard

Lighter weight than our standard Thermal Warmer collection

Same light shifting operation as top tier systems

and three different angles of rise

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

XR 1700 SPLINE Rear Wheel Cassette Body Type:Shimano Micro Spline Lighter weight than our standardIf 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