The Profile Spline Drive sprocket is manufactured from 7075 Aluminum in the USA. This sprocket requires no sprocket bolt, instead it has a hardened CrMo steel insert in that matches up to the 48 splines in your Profile BB spindle.
Mark Mulville LTD Camo Wrap available only in 25 or 28 tooth versions.
We have 23, 25, 28, 30, 33, 36, 39, and 42 tooth versions available. The teeth are 1/8", and most of our anodized colors are available.
We now have 18 and 20 tooth versions available for flatland applications. They have 3/32 teeth, and are available in red, blue, gold, and black.
33 tooth Splind Drive Sprockets are now available.
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.