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SK4040: PMW Spline Head, 142 x M12 x 1.5, Rear

SK4040: PMW Spline Head, 142 x M12 x 1.5, Rear

50+ In stock

  • Buy 10 for $35.00 each and save 8%
  • Buy 25 for $32.07 each and save 16%
  • Buy 50 for $29.20 each and save 23%


This black anodized 6061 rear skewer is manufactured by Paragon Machine Works and is compatible with all our rear inserts that are threaded M12 x 1.5. It offers a number of benefits over other versions on the market:

  1. By pulling the handle away from the skewer, the handle can easily be rotated to any of 22 positions; this allows for positioning the handle anywhere that is convenient, and for clearance of other components such as brakes or racks.
  2. The 5 mm hex opposite the handle can be used to tighten the skewer more than what can be done with the handle alone. In the rare event that the handle fails, this hexagon can also be used to remove the skewer.
  3. A handle design that is easier to pull, particularly with gloves on.
  4. A spline that is integral to the skewer. 
  • Thread: M12 x 1.5 x 12
  • Nominal length (identified by width of hub): 142 mm
  • Actual length (from under skewer head to end of skewer): 164 mm
  • Internal Hexagon: 5 mm internal

Important Information

  1. Please check skewer drawings for measurements before ordering.
  2. Skewers are available at a 23% discount with the purchase of a compatible right side insert: one skewer discount per insert, discount taken in cart.
  3. Skewer and dropout compatibility is only guaranteed when used with a compatible Paragon Machine Works product.
  4. We are not able to advise or make recommendations on compatibility with products that are not manufactured by us.
  5. Sorry, no returns on skewers.

Item sold individually.



Item Number SK4040
Weight/Grams 71
Skewer Style Spline Head Rear
Hub Width 142 mm
Skewer OD 12 mm
PDF Drawing SK4040