• Velobike Innovation Chainring Clearance Gauge
  • Velobike Innovation Chainring Clearance Gauge
  • Chainring Clearance Gauge Slicer Screenshot
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Chainring Clearance Gauge - STL Download

Chainring Clearance Gauge - STL Download

VB-T-CCG-STL

$7.00 NZD
$7.00 NZD
Sale Sold out

Have you ever wondered what is the largest size chainring that will fit on your track bike?

We get asked this question a lot. The short answer is that the only way to tell is to test it out. Even two identical frames may allow for different sizes of chainrings due to the tolerance stack between components. 

Read more about optimising your chainline here

We developed this handy tool to do just that. Each tooth on the gauge represents a different size chainring from 49 to 70 teeth.

Note: This is a digital download for 3D Printing only.

How to measure:

  1. Bolt the gauge onto your crank
  2. Rotate the crank to observe tooth clearances with the frames chain stay
  3. Identify the optimum size chainring for your setup.
  4. Chainring or bottom bracket spacers may be used to offset the chainline to increase the chainring clearance.

Specifications:

  • 144 BCD
  • 49 to 70 teeth
  • Note: this is a sizing tool only, it is not designed to interface with a chain

3D Printing Specifications

  • STL 3D File 
  • 218mm x 111mm total size
  • Support material required for printing tooth overhangs
  • Recommended settings:
    • 0.4mm nozzle
    • 0.2mm layer height (or finer)

Chainring Clearance Gauge ©2021 by Velobike Innovation Limited is licensed under CC BY-NC-ND 4.0 

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Customer Reviews

Based on 12 reviews
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Antony O.
Ofcourse a chainring clerance gauge exists!

It was just thought, I'm sure someone has already thought about my problem. How big a chainring can my frame handle. I Googled in come uncertain terms and voilà, it's right there as the first result. Not clued into the 3D printing stuff... but my intrepid nephew was able to print one in no time. Great tool for Trackies, and mos def made by Trackies.

R
Ross B.
Easy print, did exactly as advertised

I actually had to adjust the print a little bit because my printing bed is 180mm x 180mm, but it does say the dimensions right there in the description so that’s my bad. I was still able to fit it onto the bed with all the sizes though and everything worked out. Print was under 30 mins - cheap, quick, and exactly what I needed

E
Emma J.
Chainring gauge

Awesome. So much fun to print and so handy to check chainrings will fit!!

G
G.T.
works as expected

Just got this printed out super useful I was scared to buy anything above a 48t without it

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