![]() ![]() So, I have tested this with an old bit of 7 speed chain and the interface is fine. The 'narrow-wide' idea was made to interface with 11 speed chain, which as we know from above, has a narrower inner plate dimension than 10 speed chains, 9 speed, and so on. Any limitations on what chain you can use on those?"Īnswer: No, not really. Question: " And then there's the narrow wide chainring. Your Surly cog, or any single speed cog with a wide base- (Don't use those stamped steel, el-cheapo single speed cogs, or a single cassette cog for single speeding) - those type of wide-based cogs will take up a fair amount of cassette free hub body space, and in all likelihood, you'll end up with an extra spacer or two. ![]() Spacer need to be purchased to use the kit on an 11 speed freehub?"Īnswer: No. Question: " I have the Surly spacer kit on a 10 speed freehub. So, if the Surly cog is spec'ed to fit up to a 9 speed chain, you should respect that and not use 10, 11, or 12 speed chains with those cogs because the inner plate dimension would be too narrow to fit over the Surly cog's teeth. The thing is though, the width between the side plates of that chain is so wide it wouldn't drop down between cassette cogs on an 11 speed cassette. Theoretically, the length of each link would interface with any rear cassette cog. Take a quick look at any single speed specific 3/32nds chain. It is the distance between the inner plates that gets less and less as you add more gears. So- the length of each link remains constant on 3/32nds chain. maybe the ten speed would, but the thing is, the space between the inner plates gets narrower with each incremental rise in cassette cog count compatibility. Would a 10, 11, or 12 speed chain work with their cogs?"Īnswer: Nope! Well. Question #1: " Surly officially says their SS cogs are compatible with 6- to 9-speedģ/32" chains. ( Note: Questions edited lightly for clarity) So, here we go. I do this to bring the answers out to many, not just a few, because I know if one of you ask, there's probably ten others wondering the same thing. Yesterday I received a slew of questions from one reader, and as I often do, I make a post about these questions and answer them in the post. However this is going to become a semi-regular feature here on G-Ted Productions because (a) I like single speeds and (b) YOU have questions. You can check out that link if you want to. Time to "nerd-out" (Karate Monkey circa 2007)Ī while back we did a Riding Gravel Radio Ranch podcast which we dubbed the "Single Speed Nerd-Out". Just throw your leg over and go.Long-time single speeder here. You don’t need to wear a uniform or kit to ride a Surly. They make serious steel bikes and parts for people who don’t take themselves too seriously. Many have tried - and failed - to define Surly. works with 6-9-speed 3/32" chains, although we recommend the inherently updated quality of an 8 or 9 speed chain.machined from SCM415 CroMoly steel, then heat-treated for toughness and chrome-plated for surface hardening and enhanced chain lubricity.width also prevents it from ruining the freehub body as a result of digging grooves into it like skinny stamped cogs have a tendency to do.cog base width (where it contacts the freehub body) is 4.35mm, so you can stack a few of them up and use a 9-speed shifter for a simplified multi-speed drivetrain.tall tooth profile that is essential for preventing chain skip from the extra torque a singlespeed drivetrain encounters.Our cassette-type cogs are designed to fit on standard Shimano compatible freehub bodies. ![]()
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