Bike Forums - 1987 Lotus Excelle Conversion?

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- - 1987 Lotus Excelle Conversion? (https://www.bikeforums.net/singlespeed-fixed-gear/829232-1987-lotus-excelle-conversion.html)

LesterOfPuppets

07-01-12 09:00 PM

Quote:

Originally Posted by Spoonrobot (Post 14429804)

Biopace and fixed is less than ideal.

There is a very definite "lash" at certain points in the crank's rotation that can be felt, similar to a loose crank arm. .

I don't think I'd go for it myself. Presumably it would be less noticable on a 53 than a 42, since they're closer to round but still...

Samyouel5

07-02-12 11:59 AM

I've never noticed anything bad with biospace. Maybe i'm just so used to it by now

ianjk

07-02-12 09:42 PM

As for the biopace, I tried the tiny 29t? ring out with a 14t cog - fixed. Was a little odd, but kinda fun in a hill climbing and killing off inventory of worn 27" tires by skidding sort of way.

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