At DMG Motorsports, we present the Vortex Rear F5 Sprocket, Aluminum 45T-525, Black Hardcoat for BMW (193K-45) — a race-proven upgrade that sheds unsprung weight while standing up to the abuse of track and street riding alike. Built by Vortex Racing, a U.S.-based manufacturer trusted by professional road racing, motocross, and flat track teams, this F5 sprocket is machined from premium 7075 aluminum and finished with a durable black hardcoat for a lighter, tougher alternative to the OEM steel sprocket on compatible BMW models.

The F5's aluminum construction significantly reduces rotating mass compared to a stock steel sprocket, translating into snappier acceleration and sharper handling every time you get on the throttle. Its hard-anodized, PTFE-infused black finish isn't just for looks — it adds real wear resistance and lubricity, so the sprocket stays cleaner and lasts longer between chain and sprocket services. Combined with Vortex's patented tooth profile, this 45-tooth, 525-pitch sprocket is engineered to deliver dependable, long-lasting power transfer for riders who demand performance parts that can back up their reputation on the track.

Features:

• CNC machined from 7075 aluminum for an excellent strength-to-weight ratio
• Hard anodized black hardcoat finish with a jet black dye for a durable, race-ready look
• PTFE coating adds lubricity, reduces wear, and simplifies cleaning
• Aluminum construction cuts rotating mass versus OEM steel for improved acceleration and handling
• Unique, patented Vortex tooth design increases sprocket longevity and power transfer efficiency
• 45-tooth, 525-pitch configuration designed to fit compatible BMW S1000RR/S1000R/S1000XR models
• 100% CNC manufactured to tight tolerances using a specially formulated Vortex alloy
• Proven in competition and trusted by champions across professional racing disciplines

Fitment