Topstone Carbon 3 GRX 1x Vendor_Arundel Bar Clamp Diameter (mm): 31

Bar Clamp Diameter (mm): 31

The Shimano R9100 series crankset achieves the ultimate in optimal power transfer

Step in and out consistency

Two-Position Adjustment: Trail—front-wheel response to rider input—is the most critical factor in high-velocity handling

elegant frame

Topstone Carbon 3 GRX 1x Vendor_Arundel Bar Clamp Diameter (mm): 31Our take on the ultimate all round gravel bike. Go anywhere, bring everything and then keep on going. One chainring, endless possibilities. The Topstone 3 GRX 1X delivers simplicity without sacrificing performance. A Shimano GRX610 820 blended group keeps shifting precise and reliable, while KingPin suspension takes the sting out of rough terrain. WTB tires keep you connected to the trail, making every ride a good onewhether its a quick lap or a full