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Shimano Gear unit

Roller brake
Price in EUR including VAT
Ratings
Delivered between 13.1.2026 and 15.1.2026
Only 3 pieces in stock at supplier
free shipping

Product details

The Shimano gear unit is a high-quality component specifically designed for use with the SG-8R31 hub. It offers reliable and efficient performance suitable for various applications in the bicycle accessory sector. This unit is designed for use with roller brakes, ensuring optimal functionality and durability. With an axle length of 203 mm and an axle diameter of 189.4 mm, it is ideal for various bicycle models that utilize a thru-axle. Made in France, this gear unit represents the quality and precision that Shimano products are known for. It is an essential component for anyone who values smooth and reliable shifting.

  • Suitable for roller brakes
  • Compatible with SG-8R31 hub
  • Made in France.

Key specifications

Bike area of use
Citybike
Installation width
85 mm
Item number
38736492

General information

Manufacturer
Shimano
Category
Hubs + Freewheels
Manufacturer no.
Y33S90710
Release date
21.9.2023

Colour

Colour
Silver
Exact colour description
Silver

Material

Material group
Metal
Material
Steel

Wheel properties

Bike area of use
Citybike

Hub + freewheel Features

Hub type
Gear hub
Ability brake type
Roller brake
Axis standard
Thru axle
Installation width
85 mm
Cassette compatibility
3-speed

Origin

Country of origin
France

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Inner hub part Shimano 3V Nexus SG-3R40

Legal Notice

Product Safety

14-day cancellation right
30-day right of return if unopened
24 Months statutory warranty
Report concern

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Goes with

Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • 1.Shimano
    0,1 %
  • 2.DT Swiss
    0,3 %
  • Elite
    Not enough data
  • Tacx
    Not enough data
  • Wahoo
    Not enough data

Statutory 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: Galaxus
  • Shimano
    Not enough data
  • DT Swiss
    Not enough data
  • Elite
    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: Galaxus
  • 1.Shimano
    7,1 %
  • 2.Wahoo
    7,2 %
  • 3.Elite
    11,8 %
  • 4.Tacx
    16 %
  • 5.DT Swiss
    18,1 %
Source: Galaxus