REAR SPROCKET STEEL ULTRALIGHT, PROX 07.RS12087R-51, SR210-51
PROX Steel Rear Sprocket 51 Tooth. Part number 07.RS12087R-51. Manufactured from premium quality QSTE 420 and 460 high-strength steel for superior durability. Ultralight design. Lasts 2-3 times longer than aluminum sprockets. Note: This sprocket will fit most XL & XR bikes, but requires CSK head sprocket bolts as used on MX bikes. Weight 932g.
- SKU
- SR210-51.S.PROX
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
FULL DESCRIPTION
ProX Ultralight Steel Rear Sprocket
Upgrade your motorcycle's performance and durability with the ProX Ultralight Steel Rear Sprocket. Manufactured from premium quality "Qste 420 & 460" high-strength steel, this sprocket is engineered to withstand extreme riding conditions, offering superior longevity compared to traditional aluminum sprockets. Experience a 2-3 times longer lifespan than sprockets made from T7075-T6 aluminum.
Key Features:
- Premium Quality Steel: Constructed from hardened "Qste 420 & 460" steel for exceptional strength and wear resistance.
- Ultra-Lightweight Design: Engineered for reduced unsprung weight, contributing to improved handling and acceleration.
- Superior Durability: Designed to last significantly longer than aluminum alternatives, providing excellent value.
- Extreme Condition Ready: Built to perform under the most demanding riding circumstances.
Note: This sprocket may require the use of CSK head sprocket bolts, similar to those found on MX bikes, for installation on certain XL & XR models.


