Shimano 2x11-Speed GRX FC-RX600 46/30T Crankset Crank Arm Length:170mm 5A) Run Time Constant mode

5A) Run Time Constant mode 100 lumens：approx 3

B with guide pin

High-grade plastic

Lens Materials:PC Lenses

Shimano 2x11-Speed GRX FC-RX600 46/30T Crankset Crank Arm Length:170mm 5A) Run Time Constant modeDescription SHIMANO GRX Gravel Crankset 2x11 speed 46 30T 170mm Gravel bikes are becoming increasingly popular among cyclists. The advantages are apparent. They have a more comfortable geometry than racing bikes, are also excellent to ride off the beaten track and are suitable for longer journeys. However, conventional racing bike components have reached their limits with these bikes. That's why Shimano has developed its own shifting groups especially