Sturmey Archer 18 Tooth, 9-Spline 1/2" x 3/32" (Flat, CP) Rear Sprocket BRMB The upper back half (knees

The upper back half (knees to waist) is hybridized with an unlaminated

9V NiMH or NiCd batteries for versatile use

Polar Rated cold-comfort is achieved with moderate activity and has been Polar Proven by Baffin on expeditions to both the North and South Poles

• Made in the USA

Sturmey Archer 18 Tooth, 9-Spline 1/2" x 3/32" (Flat, CP) Rear Sprocket BRMB The upper back half (kneesThe Sturmey Archer 18 Tooth Rear Sprocket is a high quality component designed to deliver smooth and reliable performance. Featuring a 9 spline design and flat profile, this sprocket ensures consistent chain engagement and efficient power transfer. Ideal for commuting, touring, and general cycling, it's the perfect upgrade for your bike. Details: * Tooth Count: 18 teeth * Compatibility: Fits Sturmey Archer internal gear hubs with 9 spline design *