Durable and Lightweight Design
The KM690R mountain bike wheels rear hub boasts a high-strength forged alloy body (Alu 6061-T6), ensuring unmatched durability while maintaining a lightweight structure. Perfect for riders tackling XC, Trail, and Enduro terrains, this hub is built to deliver optimum performance and stability.
Exceptional Components for Reliable Performance
Equipped with a 7075 thru-axle, this rear hub seamlessly integrates with 28H 14g steel spokes for enhanced strength and balance. The 6-bolt disc brake compatibility ensures maximum responsiveness, providing trustworthy stopping power during your most thrilling rides.
Advanced Freehub and Ratchet System
The KM690R hub supports XD, HG, and MS freehub options, giving you flexibility for various drivetrain setups. Weighing just 250g for the HG model, it features a star ratchet system with 36T or 54T configurations, guaranteeing smooth engagement and efficient power transfer for your ride.
| Specification | KM690R Rear |
| Material | AL 6061(Body)+ AL 7075(Freehub & Axle) |
| Spoke Holes | 28H |
| Bearing | 2x 6903/15267 |
| Spoke Gauge | 14G |
| OLD | 148mm |
| End Caps | 12mm Axle |
| Weight | 250g |
| P.C.D. | F38mm-R44mm |
| Freebody System | PG Ratchet (36T or 54T) |
| Freebody | HG,XD,MS |










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