Chain tensioner hub gear question (for Flecc)

oriteroom

Esteemed Pedelecer
Jul 13, 2008
297
110
Hi Flecc

Cannot locate your great Panasonic guide which has the ideal distance between centres on the motor and the chain tensioner wheel. Also, 50cycles have sent me a spring which is larger than the original and the ends finish in the same plane as the spring, instead of being both ends finished in the plane of the bolt that goes through the centre, so that it they locate in a small holes in the tensioner and another in the body of the motor case. Have they sent a spring for a later model of motor, mine's 2008 vintage, AND STILL GOING STRONG!! Thanks
 

flecc

Member
Oct 25, 2006
52,803
30,375
The setting details are on this link.

I sorry I don't know if the spring changed on later models, there were a couple of changes in that area including the double idler one you'll see on my link. It's likely they've sent you a later one though.
.
 
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oriteroom

Esteemed Pedelecer
Jul 13, 2008
297
110
Thanks Flecc, always been able, since 2008, to rely on you for a quick reply to answer a problem. Mike