The Crupi Rhythm Pro Select Cranks-Black at J&R Bicycles are high-quality cranks built for max strength with minimal weight added to your drivetrain. These cranks are designed with hollow cold-forged aluminum alloy arms to deliver lightweight strength with added rigidity for super stiff responsiveness. The 10-spline spindle is made from heat-treated chromoly alloy for increased durability and is compatible with most BB shell types. Made with a removable spider that works with 104 BCD chainrings (chainring is not included) the Rhythm Pro Select Cranks require an EB24 (BSA24) sealed bearing bottom bracket (sold separately). The included pedal washers must be used at all times. FEATURES 24mm 10-Spline hollow heat treated chromoly spindle Available in silver and black 104BCD in sizes 170, 175 and 180mm Steel pedal inserts for strength Pedal washers (included) must be used at all times! EB24 (BSA24) Bottom Bracket sold separately Weight = 28.6oz (170mm) Tighten Spindle Bolt to 2-2.5Nm Tighten Pinch Bolts to 12-14Nm
