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General Category => General Discussion => Topic started by: Simon_London on September 30, 2019, 07:20:02 AM

Title: Thread size on the steering stem of the Tonti bikes - Le Mans 1-3 T3 G5 etc
Post by: Simon_London on September 30, 2019, 07:20:02 AM

(https://i.ibb.co/WGzDB3f/20190930-133227.jpg) (https://ibb.co/WGzDB3f)
Can anybody tell me the thread size on the steering stem of the Tonti bikes - Le Mans 1-3 T3 G5 etc

I believe its M25 fine ?1mm ?0.75mm ?1.25mm

Many thanks

simon

Title: Re: Thread size on the steering stem of the Tonti bikes - Le Mans 1-3 T3 G5 etc
Post by: Simon_London on September 30, 2019, 07:54:36 AM

I think I can answer my own question ! M25 1.0

Title: Re: Thread size on the steering stem of the Tonti bikes - Le Mans 1-3 T3 G5 etc
Post by: Groover on September 30, 2019, 08:06:07 AM

That metal is really soft. Are you going to go over the threads?

Title: Re: Thread size on the steering stem of the Tonti bikes - Le Mans 1-3 T3 G5 etc
Post by: Simon_London on September 30, 2019, 11:21:06 AM

 I want to extend the thread down the stem.

Title: Re: Thread size on the steering stem of the Tonti bikes - Le Mans 1-3 T3 G5 etc
Post by: Tom on September 30, 2019, 07:13:15 PM

Lowering the front end?

Title: Re: Thread size on the steering stem of the Tonti bikes - Le Mans 1-3 T3 G5 etc
Post by: nc43bsa on October 01, 2019, 12:48:47 AM

Putting the stem in a frame with a shorter neck?

Title: Re: Thread size on the steering stem of the Tonti bikes - Le Mans 1-3 T3 G5 etc
Post by: Groover on October 01, 2019, 07:47:45 AM

My guess is that he plans to use the older chrome T3/G5 style steering head nut that goes down further, instead if the upside down type used on the later G5/SP which are black and need less threads.


That's my bet  :cool: