(sorted) 170mm square taper right crank

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RickH
Posts: 3922
Joined: 5 Mar 2012, 6:39pm
Location: Horwich, Lancs.

(sorted) 170mm square taper right crank

Postby RickH » 27 Dec 2018, 11:04pm

Does anyone have one to spare even if it has a damaged spider /chainrings or a front right from a dead tandem set.

I'm trying to replace a damaged right crank on a friend's static bike (it has come loose in use & damaged the crank). My ideal would be a spiderless/chainringless right crank with a diamond oriented taper hole or, failing that, a pair of ST cranks (state of spider/chainrings immaterial as they will be removed one way or another).

It/ they need to be the modern shape (that curve out from a short BB) rather than the older straight profile. (I've tried an old crank & it fouls the static bike's casing with the current, short BB length & I don't know whether it has a conventional BB if I were to delve inside).

See image below for shape of current crank (Picture/1000 words & all that).
DSC_1074.JPG
Existing damaged crank


Thanks in advance.

User avatar
RickH
Posts: 3922
Joined: 5 Mar 2012, 6:39pm
Location: Horwich, Lancs.

Re: (sorted) 170mm square taper right crank

Postby RickH » 5 Jan 2019, 9:26pm

For anyone interested - I found some inexpensive new cranks without chainrings that fit (although I need to remove the spider arms as they foul the casing but were 1/4 of the price compared to ones I could find with no spider).