Product Description

The Bottom Bracket Gauge Tool was designed to provide all the necessary measurements to identify the proper bottom bracket for a specific bike configuration.

The gauge can measure:

  • Bottom bracket width:
    • 61mm
    • 68mm
    • 73mm
    • 79mm
    • 86.5mm
    • 90mm
    • 92mm
    • 95mm
    • 100mm
    • 120mm
    • 132mm
  • Bottom bracket shell inner diameter:
    • 37mm
    • 41mm
    • 42mm
    • 46mm
  • Crank spindle length:
    • up to 180mm
  • Crank spindle diameter:
    • 22mm
    • 24mm
    • 29mm
    • 30mm
  • Bearing inner diameter:
    • 22mm
    • 24mm
    • 29mm
    • 30mm

A metric scale runs along the long edges for measuring bottom bracket shell width and crank spindle lengths. Durable red anodized aluminum with laser etching. Overall size 7" x 3" x 0.125". 


For any questions please e-mail us:
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To be sure if this the right part, please send us photos of:
1. Your derailleur hanger from both sides;
2. And if possible bike‘s frame part photos, where dropout was attached.

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Shipping information
With UPS delivery worldwide 2-5 working days.
With POST delivery 1-4 weeks worldwide.
100% satisfaction guarantee
We have a 100% money back satisfaction guarantee policy.
Terms & Conditions
Feel free to contact us if need assistance to find right derailleur hanger.
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