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Bicycle Components & Parts

julio 28, 2026

Profile Racing Spline Drive Sprocket (Black)

Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.
julio 28, 2026

Profile Racing Spline Drive Sprocket (Black)

Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.
julio 28, 2026

Profile Racing Spline Drive Sprocket (Black)

Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.
julio 28, 2026

Profile Racing Spline Drive Sprocket (Black)

Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.
julio 28, 2026

Profile Racing Spline Drive Sprocket (Black)

Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.
julio 28, 2026

Profile Racing Spline Drive Sprocket (Black)

Profile spline drive sprocket is CNC machined from 7075 Aluminum in the USA. Requires no sprocket bolt. Instead, it has a hardened chromoly steel insert in that matches up to the 48 splines on the crank axle for pure, direct power transfer.