S10 Single speed 135x10B

Regular price $139.00
Regular price Sale price $139.00
Shipping calculated at checkout.
颜色 BLACK
颜色
Holes
Holes
Freehub
Freehub

Koova S10 Single-Speed Hub - Simplicity Meets Performance

Embrace the simplicity and reliability of single-speed riding with the Koova S10 single-speed rear hub. Featuring our signature 75-tooth ratchet system and lightweight construction, this hub delivers instant engagement and bulletproof reliability for single-speed mountain bikes, urban riders, and minimalist enthusiasts.

Key Features:

  • 75T ratchet system for instant engagement
  • Lightweight at just 285g
  • 28-hole configuration optimized for strength
  • Single-speed specific design
  • Durable 6-bolt disc brake interface
  • 135×10mm bolt-on axle
  • Sealed bearings for low maintenance

Technical Specifications:

  • Application: Single-Speed Mountain Bike / Urban
  • Axle: 135×10mm Bolt-on
  • Brake Interface: 6-Bolt Disc
  • Spoke Holes: 28H
  • Weight: 285g (±5g)
  • Cassette Interface: HG Single-Speed

Why Choose Single-Speed?

  • Simplicity: Fewer parts, less maintenance
  • Reliability: Nothing to break or adjust
  • Lightweight: No derailleur or extra cogs
  • Direct feel: Pure connection to the trail
  • Cost-effective: Lower maintenance costs

Perfect For:

  • Single-speed mountain bike conversions
  • Urban and commuter bikes
  • Bikepacking setups
  • Riders who value simplicity
  • Winter training bikes

Experience the joy of simple, reliable riding. The S10 single-speed hub is built for riders who appreciate the purity of one gear and the freedom it brings.

Worldwide shipping available. Join the single-speed revolution with Koova.

  • Hub shell Material: CNC-machined 7075-T6 aluminum
  • Axle Material : CNC-machined 7075-T6 aluminum
  • Bearings: 4PCS(6902*2+17287*2)
  • Drive System: 75T ratchet system, 75 POE engagement
  • Finish: Anodized


Protection: Full weather-sealed design, waterproof & dustproof

  • Free shipping on orders $199+.
  • We ship worldwide — rates show up at checkout.
  • Orders usually go out in 2–3 business days.
  • Taxes and duties depend on your country’s rules.
  • 30-day easy returns if unused and in original packaging.
  • Just email us at [support@koovacomponents.com] to start a return.
  • Refunds are sent once we get your item back.
Have questions? Contact us
75T-ratchet structure

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.

S10 rear hub Processing

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.

koova bearing

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.