S60 straight pull Boost 12*148mm
- Axle: 12×148mm
- Brake Interface: 6-Bolt Disc
- Spoke Holes: 28H Straight Pull
- Weight: 312g (±5g)
- Cassette Interface: HG / XD / MS
- Hub Shell Finish: Sandblasted
- Axle: Steel
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Bearings: 6902 × 2 pcs + 17287× 2 pcs
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Engagement: 75 POE / 4.8°
- Sealing: Full weather-sealed design
75T High-Strength Ratchet
Upgrade your drivetrain with the Koova 75T High-Strength Ratchet!
Featuring a 75-tooth high-precision engagement design, it delivers ultra-fast 4.8° engagement for rapid power transfer and immediate pedal response. Whether you're charging through technical trails or sprinting to the finish, this ratchet ensures consistent, explosive performance.
Precision That Performs|CNC-Crafted
Every Koova hub begins with aerospace-grade aluminum, meticulously CNC-machined through multiple stages to achieve unmatched precision. We demand tight tolerances to ensure ultra-smooth rotation, stable engagement, and long-lasting performance.
Ultra-Smooth, Built to Last|P5-Grade Precision Bearings
Inside every Koova hub, we use P5-grade high-precision bearings, engineered to perform under high-speed and demanding conditions. These bearings offer exceptional concentricity and rolling efficiency, ensuring low-friction rotation and long-lasting durability even during extended rides.