Here Come The Hard Chargers Designed and tested in Canada then forged for superior strength from 7050 Alloy in the fiery pits of Mordor, the Aeffect R crankset offers a rowdy strength-to-weight ratio, a sleek finish and versatility to get after it anywhere on the mountain. SPECS Available Chainlines 51mm - 137 Spindle Available Arm Lengths 165mm, 170mm, 175mm Includes Pedal Washers (Chain Rings & Bottom Brackets sold separately) Axle Material Steel Crank Arm Material 7050 Aluminum Available Spindle Diameters 24mm Available Spindle Sizes 137mm Weight 632g Weight Conditions 170 mm Arms, 32T Alloy Chain Ring