Shimano GRX FC-RX820 1 x 12 172.5 42T Crankset T-Shirts tires made using this technology

tires made using this technology can also be used as Tubeless or with an inner tube

Silicone gripper print inside top opening to prevent slippage

this GPS device will keep you on track and in the know

Muc-Off MO-94 All Purpose Bicycle Spray

Shimano GRX FC-RX820 1 x 12 172.5 42T Crankset T-Shirts tires made using this technologyOUTER RING MATERIAL Aluminum CRANK AXLE MATERIAL Steel AVERAGE WEIGHT 644g,656g COMPATIBLE BB TYPE Outboard CRANK AXLE FINISH Plated GEAR ARMS 4 COMPATIBLE CHAIN HG'12 speed SERIES GRX GENERATION RX820 CRANK ARM LENGTH 170,172. 5,175 CHAIN RING COMBINATION 40,42 OUTER RING FINISH Anodized CRANK ARM MATERIAL Aluminum