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Surly Singulator Single Speed Chain Tensioner - Black

£49.99 Please note this product has selling restrictions to your country. was
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Product Reviews (0)
Questions & Answers (3) Q & A
Fits to Rear Mech Hanger. Spring loaded chain tensioner for running Single Speed on non-adjustable chain tension frames.
Fit to rear mech hanger position.
Surly Singulator features CNC alloy body, variable chainline, floating tension pulley, stainless steel pivot bushing, Triple sealed reversible spring.
Compatible with 1/8" and 3/32" chains.
11T jockey and slotted alloy chain rejection side plates.
All in all... the mutts nutts of SS chain tensioners.
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Questions & Answers (3)
pull up version scurly singulator
18 Jul 2017
Do you offer the Scurly Singulator with a pull up spring (Surly Singleator Spare Spring, pull up).
If yes, how to order?

Both springs are supplied with the Singulator anyway so you can just choose which one you require.

Can I Buy A Replacement Jockey Wheel?
22 Jun 2017
I have this chain tensioner and after changing the rest of the drivetrain on my Alfine igh, the tensioner is kicking against the chain, presumably as the jockey wheel is worn. I can't find a replacement however. Do you sell one, or can your recommend an appropriate alternative?


I do not see a problem with just replacing the jockey wheel. SJS part #34339 seems like a suitable replacement.

Suitable For A Alfine Setup On A Disk Trucker?
16 Aug 2016
Hi I have an Alfine 8 hub on a surly disk trucker, and I have an unsprung shimano chain tensioner which is to be honest rubbish. I'm thinking the singleator might be a suitable part for this use. I also need some plastic boots to go on the frame gear lever mounts, as they are very unsightly in their raw rusting form.. any suggestions?

The only covers we have for downtube bosses are alloy and made by problem solvers. These are SJSC part 24616.