koova S10 mtb hub with black,silver,purple
S10 mtb hub

Feel the Snap.

Ride the Power.

75T ratchet hubs with 4.8° engagement, built for performance.

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s10-hub-inside_1

Control Starts with Engagement.

We believe quick, positive engagement is key to control. When you get back on the pedals, pickup feels direct and decisive. When you coast, the ratchet produces a crisp, pronounced sound.

Choose your hub

KOOVA S10 rear hub 148mm HG black
S10 Jbend Boost 12*148mm
$199.00
$199.00 $199.00
KOOVA S10 rear hub 135mm HG black
S10 J-bend 5*135mm
$199.00
$199.00 $199.00
KOOVA S10 front hub 110mm black
S10 Jbend Boost 15*110mm
$89.00
$89.00 $89.00
KOOVA S10 front hub 100mm QR black
S10 J-bend 5*100mm
$89.00
$89.00 $89.00

Explore

koova- engine

COMPATIBILITY

Find the right hub for your bike.

CHECK FIT
Koova planetary ratchet on the workbench.
mtb-75T-hub-ratchet

ENGINEERING

Inside the 75T ratchet system.

Learn more
A downhill rider on a bike equipped with S10 hubs.

RIDER TESTED

Real hubs. Real trails. Real feedback.

SEE RIDERS

Hub Tech Explained

What Makes the Major MTB Hub Brands Different?

What Makes the Major MTB Hub Brands Different?

What Makes the Major MTB Hub Brands Different? Choosing an MTB hub can be surprisingly complicated. DT Swiss, Hope, Industry...

Why Are There So Many MTB Hub Standards?

Why Are There So Many MTB Hub Standards?

If you’ve ever tried to replace a mountain bike hub, you’ve probably wondered the same thing: Why are there so...

bike-hub-bearing

Bike Hub Bearings Explained

When choosing a bicycle hub, riders often focus on engagement, weight, sound, and appearance. However, one of the most important...

What Riders Say

Hubs look amazing, paired with DT541—feel great on trails!
—  DH4ALL
buen sonido y Exelente tiempo de respuesta al pedaleo
—  downhill_tony
Es una transmisión de potencia deliciosa y sensaciones muy agradables al escuchar la maza
—  CHICHARO (Cesar Correa)
Love the buzz and the power transfer. Koova feels bombproof.
—  Alex_nb_
Solid engagement, smooth, responsive feel—great performance on trails.
—  mtb_skills23
buen sonido y Exelente tiempo de respuesta al pedaleo
—  Bryan
Smooth shifting and crisp engagement. The feel and precision are spot on.
—  Kobędzowski
Koova hub look quite nice and the sound is next level.
—  dangl_mtb