DT Swiss

DT Swiss RWS 12mm Plug-In Thru Axles

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The DT Swiss Ratchet Wheel-mounting System (RWS) offers a unique way to securely fasten wheels. The RWS builds clamping force by tightening a bolted connection with an aluminum ratchet handle (lever).  Wheel attachment requires minimal effort and provides a significant increase in clamping force compared with traditional eccentric quick release designs.

The RWS Plug-In  version offers the advantage of tool-free thru axle mounting with a removable lever. If you prefer the clean look of a leverless axle, just remove the lever unit and carry it in your pack. If you choose to leave it at home, any standard 6mm hex tool can be used with the axle. 

IMPORTANT FITMENT INFORMATION: Please read before purchasing

Thru Axles must be specified by three parameters:

  1. Total length
  2. Attachment seat type
  3. Thread pitch and thread length 
The diagrams below will help you measure these parameters correctly.  After identifying the information for your axle refer to the table below for part numbers matching the drop down menu items.  
Step 1: Start by measuring the total axle length from the point where it contacts your frame/fork to the end of the threads.



Step 2: Attachment seat type. This is the contact point between the thru axle and your frame/fork.  Attachment will either be flat seat or cone shaped seat type.


 Step 3: Thread details.  Thread pitch is the distance from one thread to the next.  If you do not have an accurate measurement tool it is easiest to count threads in groups as follows

For a 1.5mm thread pitch 6 threads will cover approximately 10mm in total length.  For a 1.0mm thread pitch 10 threads will cover exactly 10mm in length.


For more detailed information on measuring your frame check out our blog post Thru Axles Demystified

DT Swiss RWS Plug-In Thru Axle Identification Details
Description Part Number

Spindle Length

(includes thread)

Thread Length Thread Pitch  Attachment Seat Type
Front 12x100mm TA


13mm 1.5mm Flat
(optional axle without Plug-In lever) -1461S
Rear E-Thru 142x12 TA -1459S 163mm 13mm 1.5mm Flat
Rear 142x12 TA -2034S 171mm 13mm 1.5mm Flat
Rear 142x12 TA -9909S 167.7mm
15mm 1.0mm Flat
(optional axle without Plug-In lever) -0233S
  Rear X-12 TA 142x12mm  -0234S 162.5mm  15mm 1.0mm Cone
(optional axle without Plug-In lever) -0236S
Rear TA Boost 148x12mm -2035S 177mm  13mm 1.5mm Flat

Rear TA Boost X-12 148x12mm

-9923S 168.5mm 15mm 1.0mm Cone

RWS Plug-In Lever

-0548S Lever only compatible with all Plug-In thru axles


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