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General Category >> Technical >> Short cranks
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Message started by JimFPU on Jun 8^th, 2012, 8:24pm

Title: Short cranks
Post by JimFPU on Jun 8^th, 2012, 8:24pm

Anyone have any that your willing to part with for testing Kim's Speed with them. Right now she has 165's on there and with her x-seam they're just a bit too long still...

The brand is Truvativ Isis drive.

Or does anyone have any crank shorteners?

Title: Re: Short cranks
Post by Denman on Jun 8^th, 2012, 10:13pm

Utah Trikes carries a set of 155 mm Mtn bike cranks for $75, but you'll need to buy sprockets because they are 4 bolt. Cat is 5 bolt.

More then likely you'll need the bearing kit for bottom bracket too.

We bought a 150 mm Divinci set from Hostel Shop, with bearings its about $200. Cat sprockets fit OK, but you'll also need 5 1/8" spacers for low gear.

Title: Re: Short cranks
Post by jayg on Jun 9^th, 2012, 3:56pm

http://www.bikesmithdesign.com/Short_Cranks/

http://www.amazon.com/Ride2-Crank-Shorteners-43mm-wide/dp/B002N2KJ7W

http://www.hostelshoppe.com/cgi-bin/readitem.pl?Accessory=1033761548

Title: Re: Short cranks
Post by JimFPU on Jun 9^th, 2012, 8:52pm

Thanks Jay, I found all those same things...big investment that we can try out first...was trying to see if any one had some to try and see if that would help the situation.