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Overview

What Makes the DT Swiss RWS Rear Thru Axle Worth Running?

The DT Swiss RWS Rear Thru Axle brings the same patented tool-free engineering to your rear triangle, replacing conventional quick releases with a system built for the stiffer, more precise demands of a modern MTB drivetrain interface. The RWS (Ratchet Wrench System) uses an integrated lever for fast, wrench-free wheel removal, so wheel swaps in the field do not require digging through a pack for tools. The result is a more secure wheel interface and a noticeably tighter rear triangle feel that translates directly into better power transfer and handling.

Spec'd at 12 x 142mm, this axle fits the standard rear spacing found on most modern trail, XC, and enduro frames. The RWS engagement threads in cleanly and locks with positive feedback, eliminating the axle rattle that plagues cheaper aftermarket options. Whether you are building up a wheel with DT Swiss hubs or simply replacing a worn-out axle, this is the direct-fit solution that brings factory-grade precision to the rear.

All the specs

MPN HWQASM00S2016S

Axle Standard
12 x 142mm
System
RWS (Ratchet Wrench System)
Installation
Tool-free lever release

Works with

  • Modern MTB frames
  • 12mm rear thru-axle standard

FAQ

Good questions

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Does the RWS rear axle work without tools?

Yes. The RWS lever releases and secures the rear axle without a wrench, which is a real advantage during race-day wheel swaps or trailside flats.

What frames is the 12 x 142mm axle compatible with?

This axle fits modern MTB frames spec'd for 12mm rear thru-axle at 142mm spacing. Confirm thread pitch with your frame manufacturer before ordering.

Will this axle reduce flex in my rear triangle?

Compared to quick releases, yes. The thru-axle standard combined with the positive RWS lock provides a notably stiffer, more stable rear end under hard pedaling and braking.

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