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Fits the Thorn Club Tour MK4.
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Questions & Answers (3)
Bolt size
26 Mar 2021

I was just wondering if this is an M4 or M5 bolt? Or something completely different.

Thank you for your enquiry, it is M5

WD 26/03/21
what is the length of the longest section of this guide please?
18 Apr 2020
I need a replacement part which looks like this part but want to makr sure its the right measurements. The longest length i have is 8cm and the shortest approx 4, 3cm wide in total. Its for a Apollo Phaze boke in red from Halfords approx 8 years old.
Thanks in advace
Hi, the guide lengths are 6cm and 2.5cm, width 3cm. It is for a 40mm diameter bottom bracket shell. Sorry I don't know the spec of your bike. Thanks 20/04/2020
Hello - is this guide for a 40mm bottom bracket ?
09 Dec 2019
Yes RT 10/12/19