A 1800 Spline 30 Rear Wheel Cassette Body Type:Shimano HG 11/12-Speed Road ROLLER BEARING CLUTCH’s one-way roller

ROLLER BEARING CLUTCH’s one-way roller clutch controls chain tension for consistent shifting

This ingenious design eliminates compression nuts

Apply Fiber Grip in a thin film to clamping areas of stems

DUB compatible bottom bracket sold separately

Pre-shaped knees

A 1800 Spline 30 Rear Wheel Cassette Body Type:Shimano HG 11/12-Speed Road ROLLER BEARING CLUTCH’s one-way rollerEverything about the A 1800 Spline 30 is designed to make the discovery of speed accessible and enjoyable for all. Based on DT's first aero optimized alloy rim, it marks the democratization of their Aero category. In addition to the rim, hidden nipples and aero spokes enhance the aero advantage. So what are you waiting for? Get them on your bike and chase those local KOMs with speed and the wind as your ally. Aerodynamically optimized rim shape