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https://rbentonline.org/YaBB.pl General Category >> Technical >> Shortening Cranks For #1 Clown's Trike https://rbentonline.org/YaBB.pl?num=1583123608 Message started by jayg on Mar 1st, 2020, 10:33pm |
Title: Shortening Cranks For #1 Clown's Trike Post by jayg on Mar 1st, 2020, 10:33pm #1 borrowed some bolt-on crank shorteners from John's Trikes and Bikes, and has had them installed on his Sprint FS-X E-trike for a while. They were set for a 150 mm crank length. That length works for him, so I ordered this crankset from Amazon: https://www.amazon.com/Vuelta-104-64-Crank-Black-175mm/dp/B005DUBLXC/ref=sr_1_1?dchild=1&keywords=Vuelta+MTB+Pro+44S%2F32S%2F22S+SQ+104-64%2FBCD+Crank+Set&qid=1583119912&s=sporting-goods&sr=1-1 Even though the crankset cost only $30, it's surprisingly of decent quality, and perfectly suitable for shortening from 175 mm to 150 mm. Thought a spare 118 mm bottom bracket I had in my spare parts stash would work, but it wasn't compatible with the trike's chain line (Too wide). #1 and I drove to RBM and purchased a compatible BB (107 mm). We completed the BB and shortened crankset installations this past Friday. http://i.imgur.com/0doWhZv.jpg (https://imgur.com/0doWhZv) Tapping hole drilled in right crank arm. |
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