The most reliable alloy handle for thirty years in a row. Turbine provides an incredibly stiff and responsive ride with uncompromising durability. Converter not included! Available Chainlines 52mm - 136 Spindle, 55.5mm - 143 Spindle Available Arm Lengths 165mm, 170mm, 175mm Includes Pedal Washers (Chain Rings & Bottom Brackets sold separately) Crank Arm Material 7050 Aluminum Available Spindle Diameters 30mm Available Spindle Sizes 136mm, 143mm Weight 595g Weight Conditions 170mm Arms, 136mm Spindle