More About Product


Lifetime warranty

Product features

  • material: premium chrome vanadium steel
  • drop forged, entirely hardened and tempered
  • surface finish: zinc plated according to ISO 2081:2018 (E)
  • ergonomic heavy duty double component handle


  • Set includes 6 pcs of expandable collet for inner bearing dimensions 6.5-8,10-12, 12-15, 17-20, 22-28, 30-36


  • It is used for extraction of different typ of bearing. Expandable collet grips inner bearing race. and pulls it out.
  • The bearing is extracted by impact forces of 1kg sliding hammer.
CodeDiameterMinimum diameterMaximum diameterMinimum lenghtMaximum lenghtweight
* Images of products are symbolic. All dimensions are in mm, and weight in grams. All listed dimensions may vary in tolerance.

Usage (pictures)

Before starting the application, you need to screw appropriate expandable collet dimension on the handle.

First inserted expandable collet through the hole in the bearing which will be extracted out of the housing. Then start to screwed thorn into collet, which has a function that expands collet body, which adapts to the bearing bores.

Start with steady hits extracting bearing with help of sliding hammer.

After several strokes fast and easy extract bearing from housing without damage.

Usage (Video)

  • New advanced technology

    The use of new technological methods and top quality materials result in tools with a long life span, safety designs ensure repair jobs without damages, customized solutions, excellent effectiveness, modern materials and ergonomic design provide good looks and safe use.
  • Customized solutions for excellent results

    Our solutions offer adaptability to the bicycle parts of all producers. Our tradition, our own design, and constant technical development and modern technology keep us one step ahead.
  • Excellent durability

    Unior hand tools finish many jobs faster and make working in tight areas easier. They are adapted to work on the latest bicycle models.