![]() ![]() For an entire year, I could not figure out what the strange hitch was in my single speed. If you have any questions, please email us at 24/7 or call 88 Mon-Fri 10AM-6PM MST, Sat 10AM-5 PM MST, closed Sun. Surly cogs are not the cheapest, but theyre really well made. Thank you for reading and we wish you well. Lastly, don't forget to stay in close contact with friends and family, especially those isolated. It certainly helps with stress and anxiety during difficult times. If you can get out and walk, hike or ride, then take advantage of it. We hope that this horrible situation ends soon and that everyone takes care of themselves both mentally and physically. We are committed to slowing the spread of Covid-19, and to keep our customers, employees, and communities safe. Call ahead for curbside pickup or come to front door and we will grab your order for you. For local online customers, you can pick up your will-call orders at Peak Cycles. We have experienced very few delays for most of our US customers over the 2 weeks. We are not allowing any bike rentals or demos until further notice.įor online customers, is running at normal capacity as are our shipping companies USPS and Fedex. Surly track cogs are threaded the same as a BMX freewheel (1.375 x 24 tpi right-hand threads). Our service department is also performing pick-up and drop-off of repair bikes outside. We have a table and bike stands in front of the shop so we can bring products and/or bikes to you outside for purchase. Surly cogs are machined from heat-treated cro-mo steel and plated with a matte chrome finish so they are tough and long lasting. Due to Covid-19 we are not allowing any customers into the shop at this time. In our Peak Cycles bike shop in Golden, Colorado we will continue to perform bike repairs and sales. We are taking every precaution necessary to remain open. We will remain open under normal business hours until further notice. They are also available in every increment from 13-22t, so you can select that perfect gear.On behalf of Peak Cycles and we hope that everyone is safe and well. Our cogs will work with 6-9-speed 3/32" chains, although we recommend the inherently updated quality of an 8 or 9 speed chain. Surly cogs are machined from SCM415 CroMoly steel, then heat-treated for toughness and chrome-plated for surface hardening and enhanced chain lubricity. Surly cogs are machined from SCM415 CroMoly steel, then heat-treated for toughness and chrome-plated for surface hardening and enhanced chain lubricity. This 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. In addition to being a stellar SS cog, the 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. At the base, the cogs are 4.35mm wide, which allows you to stack a few of them up for a simplified multi-speed drivetrain. These cogs have a tall tooth profile that is essential for preventing chain skip from the extra torque a singlespeed drivetrain encounters. Our cassette cogs are designed first and foremost for singlespeeding, but being that we’re Surly, we bumped up the versatility a bit. Our cassette-type cogs are designed to fit on standard Shimano compatible freehub bodies. The base is 4.5mm wide to prevent damage to the free hub splines.Ĭompatible with all 6-9 speed chains, we recommend the KMC X1 nickel plated 3/32" single speed chain. These teeth are cut square so work with sprung chain tensioners on single speed conversions. ?Quality single speed cog for Shimano type splined cassette freehub bodies. ![]()
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