koova
Boost S10 Jbend 12*148mm
Boost S10 Jbend 12*148mm
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Main parameters
- Field of Application:Mountain bike
- Axle Width:12*148mm
- Brake Interface:6-Bolt
- Spokes number:32/36 holes
- Weight (±5g):346g
Koova 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.