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General Category => General Discussion => Topic started by: Groover on November 20, 2020, 10:24:49 AM

Title: Front Wheel SP1, LMIII - same or different?
Post by: Groover on November 20, 2020, 10:24:49 AM
Is the front mag wheel (snowflake pattern) that is used on the G5, SP, etc. the same as the ones used on the LMI and LM3? I know the fork spacing is different, but not sure if that is compensated by spacer sizes at the wheel or if the actual wheel is machined differently at the axle/hub area.

Thanks.
Title: Re: Front Wheel SP1, LMIII - same or different?
Post by: acguzzi on November 20, 2020, 11:33:23 AM
I know there is a spacer used to accomodate the same wheel on the LMII, I currently have one of the old boranni hubs on my bike using SP3 triples, the disc spacing also varies to match the wheel and fork spacing, If you are just changing the cast wheel I'll bet it would work, what is your fork spacing? All the early cast wheels were the same despite the different fork spacing.
Title: Re: Front Wheel SP1, LMIII - same or different?
Post by: Groover on November 20, 2020, 02:44:22 PM
It's just to learn, but the fork spacing on the LM1 and LM3 is 180mmz
Title: Re: Front Wheel SP1, LMIII - same or different?
Post by: acguzzi on November 20, 2020, 04:04:37 PM
yes I had to change the spacers on my wheel (LMII) when I went to the sp3 triples
Title: Re: Front Wheel SP1, LMIII - same or different?
Post by: 1down5up on November 21, 2020, 01:12:59 PM
The wheels are different.

The brake disk mounting flanges are milled narrower (7.5mm sighter each side - 15mm total) to allow for the 180mm forks on a lemans 1 and 3. The Axel and shorter spacer makes up the rest of the difference.

Lemans 2 had the same wheels as lemans 1 and 3, but also had 195mm forks, they used 7.5mm spacers behind the brake disks to push them out wider.
Title: Re: Front Wheel SP1, LMIII - same or different?
Post by: Groover on November 21, 2020, 10:27:12 PM
Thanks for the reply guys. 1down5up, those were the specifics I was hoping for. Thanks again.