Bike Forums - View Single Post - Who has a jig to drill extra holes in spider to add a granny gear to a 130 double?

01-08-06 | 02:52 AM

#8

mentat6059

I pedal what I ride

Joined: Dec 2005

Posts: 89

Likes: 0

this is the sort of thing that you are after

http://www.jimlangley.net/wrench/tripletool.html

but I think that it would be easier to buy a new crank

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