![](http://oriolbikeshop.com/cdn/shopifycloud/shopify/assets/no-image-2048-5e88c1b20e087fb7bbe9a3771824e743c244f437e4f8ba93bbf7b11b53f7824c_1024x1024.gif)
Profile Spline Drive Sprocket
The Profile Spline-Drive sprocket is CNC machined from 7075 Aluminum and features a hardened CrMo steel insert to fit on 19mm 48-spline drive crank axles for pure, direct power transfer.
Only works on 19mm 48-splined axles.
Teeth: 1/8"