FC-RS520 12 Spd. Hex Keys The shaping and padding structure

The shaping and padding structure of this saddle is well suited for slightly more upright riders that sit on the saddle with a 60 degree spine angle

14-tooth X-SYNC™ lower pulley easily facilitates 11- to 50- and 10- to 50-tooth cassette capacity

Easy to use bike rack adaptor for ladies bikes

Precise chain line control

Rim weight: 500g

FC-RS520 12 Spd. Hex Keys The shaping and padding structureOUTER RING MATERIAL Aluminum GFRP CRANK AXLE MATERIAL Steel AVERAGE WEIGHT 754g THREADED BB SHELL WIDTH 68 70 CRANK ARM FINISH Anodized COMPATIBLE BB TYPE Outboard CRANK AXLE FINISH Plated GEAR ARMS 4 COMPATIBLE CHAIN HG 12 speed INNER RING MATERIAL Aluminum INNER RING FINISH Anodized CRANK ARM LENGTH 172. 5 CHAIN RING COMBINATION 50 34 OUTER RING FINISH Anodized CRANK ARM MATERIAL Aluminum