Onyx Ultra Disc

Disc brake 6-hole
Delivered between Fri, 14.8. and Tue, 18.8.
Only 1 piece in stock at third-party supplier
Supplied by
free shipping

Product details

The Ultra Disc rear hub from Onyx is a highly advanced solution for demanding mountain bikers. It features a CNC-machined hub body made from 7075 aluminum, known for its lightweight and durability. With a high flange diameter, this hub provides additional stiffness, enhancing the overall performance of the bike. The Ultra Disc is equipped with ceramic bearings that ensure smooth and long-lasting operation. This hub is designed for disc brakes with an ISO 6-bolt system and offers instant engagement for precise power transfer. The hub is Shimano-compatible and is sold without a cog, allowing for custom adjustments. Weighing only 473 grams, the Ultra Disc is an excellent choice for those who value performance and quality.

  • CNC-machined hub body made from 7075 aluminum
  • High flange diameter for improved stiffness
  • Ceramic bearings for smooth operation
  • Instant engagement for precise power transfer.

Key specifications

Bike area of use
Mountain bike
Hub type
Rear wheel hub
Ability brake type
Disc brake 6-hole
Axle diameter
10 mm
Freewheel
Shimano
Weight
473 g

General information

Item number
59476425
Manufacturer
Onyx
Category
Hubs + Freewheels
Manufacturer No.
MOON2020
Release date
20.6.2025

Colour

Colour
Black
Exact colour description
Black

Material

Material group
CeramicMetal
Material
Aluminium 7075Ceramic bearing

Wheel properties

Bike area of use
Mountain bike

Hub + freewheel Features

Hub type
Rear wheel hub
Ability brake type
Disc brake 6-hole
Axis standard
Screw axis
Number of holes
36x
Axle diameter
10 mm
Freewheel
Shimano

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
2.67 kg
Climate contribution
CHF 0.11

Scope of delivery

Scope of delivery
Sale without cog

Product dimensions

Weight
473 g

30-day right of return if unopened
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Hubs + Freewheels» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Onyx
    Not enough data
  • 1.Shimano
    0 %
  • 2.DT Swiss
    0.5 %
  • Tacx
    Not enough data
  • Wahoo
    Not enough data

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Onyx
    Not enough data
  • DT Swiss
    Not enough data
  • Shimano
    Not enough data
  • Tacx
    Not enough data
  • Wahoo
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Hubs + Freewheels» category returned?

Source: Digitec Galaxus
  • Onyx
    Not enough data
  • 1.Wahoo
    3.8 %
  • 2.Shimano
    5.1 %
  • 3.Tacx
    15.9 %
  • 4.DT Swiss
    18.4 %
Source: Digitec Galaxus