Join Date: Jun 2006
Location: Not where I want to be.
Bikes: BMC, Cannondale, '87 Nishiki Modulus, 3Rensho Keirin
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Because a chain tensioner (I'm thinking of the Surly Singleator or one similar) have a lateral adjustment for the jockey pulley to ensure precise alignment, I would say no. I think if you could adapt a spring-loaded model to accept a urethane roller as found on the Rennen Rollenlager, you might be able to keep the chain tensioned and not have to worry about derailing the chain. The Rollenlage itself won't work for your purposes as it is not spring loaded and would require you to loosen the adjusting bolt when switching between cogs.