Shimano Ultegra 12spd Crankset - FC-8100 Crank Arm Length:175 Single button on each side

Single button on each side of the shift lever only works with Synchronized Shift

30 day return policy - if you don't like the saddle and there is no damage to the saddle

Best heel hold we have felt

Tarmac Stems

Shimano Ultegra 12spd Crankset - FC-8100 Crank Arm Length:175 Single button on each sideOUTER RING MATERIAL Aluminum CFRP CRANK AXLE MATERIAL Steel AVERAGE WEIGHT 700g,711g THREADED BB SHELL WIDTH 68 70 CRANK ARM FINISH Anodized COMPATIBLE BB TYPE Outboard CRANK AXLE FINISH Plated GEAR ARMS 4 COMPATIBLE CHAIN CN M8100 SERIES Ultegra INNER RING MATERIAL Aluminum GENERATION R8100 INNER RING FINISH Anodized CRANK ARM LENGTH 160,165,170,172. 5,175 CHAIN RING COMBINATION 50 34,52 36 OUTER RING FINISH Anodized CRANK ARM MATERIAL Aluminum