Chainrings

-CNC machined from 7075 Aluminum in the USA! -Requires no sprocket bolt. Instead, it has a hardened CrMo steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer. -Available for 22mm splined axles only. -1/8? tooth width for use with most freestyle/street & single speed chains. Supplied with 22mm splined steel insert. Weight: 25t: 78g/2.75oz 28t: 87g/3.05oz 30t: 96g/3.35oz NOTE: Spline drive sprockets are not compatible with 2-piece cranks for Right Side Drive (not enough room for splines). Spline drive sprockets are compatible on Left Side Drive 2-piece cranks though.

-CNC machined from 7075 Aluminum in the USA! -Requires no sprocket bolt. Instead, it has a hardened CrMo steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer. -Available for 19mm splined axles only. -1/8? tooth width for use with most freestyle/street & single speed chains. -Supplied with 19mm splined steel insert. NOTE: Spline drive sprockets are not compatible with 2-piece cranks for Right Side Drive (not enough room for splines). Spline drive sprockets are compatible on Left Side Drive 2-piece cranks though

The stylish and affordable Nexus sprocket has a web spoke design CNC'd from 6061 aluminum, making an aesthetic yet highly functional lightweight sprocket! - Material: 6061 aluminum - Thickness: 5mm - Spindle Bore: 15/16" (24mm) - Weight: 1.8oz