Close-up of a black plastic and metal component, likely a mechanical or electrical part, showing ridges and metallic prongs. This resembles parts found in the DRS FH 30SR Drive Unit.
Close-up of a black, cylindrical mechanical component with metal clips and a central hollow section, resembling the intricate design of a DRS FH 30SR Drive Unit, on a white background.

Highlights

  • Direct replacement drive unit
  • Also suits Odyssey Stage 2
  • Shimano HG cog spline
  • Cog not included

Description

DRS FH-30SR Drive Unit
Drive unit to replace on FH-30SR hub.

Also suits Odyssey Stage 2 Complete wheels.

Features
  • Direct replacement drive unit. Drops into the DRS FH-30SR hub, so you can service the hub you already have instead of replacing the whole wheel.
  • Also suits Odyssey Stage 2. The same unit fits Odyssey Stage 2 Complete wheels, which makes it a handy spare if you run either setup.
  • Shimano HG cog spline. The driver uses the Shimano HG spline pattern, so any cog cut to that pattern slides straight on.
  • Cog not included. You will need to reuse your existing cog or buy one separately, so check the spline pattern before you order.

Specifications
  • Fits: DRS FH-30SR hub, also Odyssey Stage 2 Complete wheels
  • Cog: Shimano / HG spline pattern
  • Note: Cog not included

Gearing calculator
Display

See what this gives you in gear inches, rollout and ratio.

This cog or driver

Reading its tooth count.

Your gearing

Gear inches —″
Rollout —m
Ratio —:1

Set both tooth counts to see your gearing.

Open the full gearing calculator for the gear chart, custom tyres and every combination near a target.

DRS FH 30SR Drive Unit

Brand: DRS BMX SKU:

$79.99 AUD

Or 4 payments of $19.99 AUD with

Teeth - 12-18T

DRS FH 30SR Drive Unit - 12-18T

$79.99 AUD

Price match request

$12.99 flat-rate shipping Australia-wide

Express from $21.99

Free in-store pickup - Brisbane

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