B4025: Left Side, Sliding, Post Mount,160 Rotor, 10 mm

B4025: Left Side, Sliding, Post Mount,160 Rotor, 10 mm

50+ In stock

  • Buy 10 for $23.08 each and save 8%
  • Buy 25 for $21.15 each and save 16%
  • Buy 50 for $19.25 each and save 23%


This is a left side (non-drive) replacement insert for all of our flat/flanged sliding dropouts with a post mount 160 mm rotor disc brake application. It is compatible with a 10 mm skewer and is made from 6061 aluminum and black anodized.

Important Information

  1. For useful information on adjustable dropouts, including torque values for our bolts, click here.
  2. Insert compatibility is only guaranteed when used with a compatible Paragon Machine Works product.
  3. We are not able to advise or make recommendations on compatibility with products that are not manufactured by us.

Item sold individually.

Photo:  44 Bikes, shown with MS0021.



Item Number B4025
Weight/Grams 73
Insert Type Post Mount
Skewer OD 10 mm
Plating Black Anodization
STEP File (right click, "save as") Flat, Flanged
PDF Drawing Flat, Flanged