The BSA A7-A10 Forum

Technical (Descriptive Topic Titles - Stay on Topic) => Frame => Topic started by: David on 28.07. 2016 16:12

Title: Footrest Stud.
Post by: David on 28.07. 2016 16:12
A nut has come adrift on my footrest stud. (57 A10 Road Rocket) Does anyone know what thread it is please, as it's causing me some confusion. The rod is 1/2 diameter but the thread is 20 TPI. Any suggestions please? Thanks. David.
Title: Re: Footrest Stud.
Post by: Billybream on 28.07. 2016 16:51
It's BSC (cycle) thread
Title: Re: Footrest Stud.
Post by: bsa-bill on 28.07. 2016 17:11
Quote
but the thread is 20 TPI.

1/2 inch and upwards is 20TPI 7/16 can be  20 or 26 TPI
Title: Re: Footrest Stud.
Post by: David on 28.07. 2016 17:30
I hadn't realised that there are 20 TPI and 26 in BSCy. thanks.