Shimano 105 FC-R7100 Crankset Chainring Combination:52/36 Get ready to step into

Get ready to step into your next epic adventure

and distance which can be paired with your favorite cycling app including Wahoo SYSTM and Zwift

the built-in recovery advisor will let you know how long to rest before another big effort

Dual adjustable straps for shoulder and chest keep it in place while riding

new optical lens with excellent side visibility

Shimano 105 FC-R7100 Crankset Chainring Combination:52/36 Get ready to step intoOUTER 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 SERIES 105 INNER RING MATERIAL Aluminum GENERATION 105 R7100,R7100 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