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- Surly Tuggnut Tensioner
Surly Tuggnut Tensioner
Description
We decided to design a chain tensioner that will keep that rear wheel static in our dropouts...and most other kinds of rear-facing horizontal dropouts. Plus, ours will open up a bottle o' brew. The body of the Tuggnut is investment cast in stainless steel for durability. It features a thumbscrew, for tool-free adjustments, and 2 axle holes for a wide range of fore/aft wheel positions. The Tuggnut comes with an aluminum adapter that reduces the axle hole from 10mm to 6mm, so you can use it with quick-release axles, in addition to nutted axles. We sell it as a single, because you really only need one...on the drive side. But, if you absolutely need one on the non-drive side of your rig, to achieve balance in your life, you are in luck...the bottle opener works either way.
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An easy-to-install, adjustable chain retention-thing for 1 x drivetrains. It'll keep an eye on that chain so you don't have to.
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The 104 BCD bashring can be added to the crankset to protect a 104 or 64 BCD chainring.
- Properly sized to fit 104 or 64 BCD chainring
- Two sizes for ultimate protection: smaller 26-30t (132 mm diameter) and mid-sized 32t-34t (148 mm diameter).
Compatibility
These are for use with 104 BCD chainrings or 64 BCD chainrings on 104 BCD cranksets
These are compatible with all triple 104 BCD cranksets and mount in the “big ring” position
They are compatible with double cranksets that have flat outfacing mounting tabs, like XTR M980. However, many 2x specific cranks, like Shimano XT M785, have a profiled outer surface on the mounting tab so our bashring cannot be mounted on that non-flat surface.
These work great with the 104 BCD Elliptical 32t ring. They will work with the 34t as well, but at the max diameter a few teeth will extend just beyond the bashring.
Chainring bolt requirements for this bashring
104 x 30t - 10mm bolts are required for use with the bashring.
Other 104 BCD sizes - you will need 8mm bolts (stock size that comes on 3x cranksets holding the middle and big rings on). Wolf Tooth does not make these.
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If you are a 1X CX, gravel, or road rider and can't afford to drop a chain, the Wolf Tooth GnarWolf® seat-tube clamp chainguide is for you. Designed specifically around 1x wide/narrow chainrings the GnarWolf will keep your chain glued to your chainring in the roughest and muddies of conditions. No other CX chainguide is as rigid or as easy to adjust as the GnarWolf. This product includes our braze-on guide plus a clamp adapter for round seat tubes in a choice of 3 sizes.
- Patented infinite chainline adjustment between 45mm and 51mm via an elliptical expanding mandrel. No shims required.
- Nearly unlimited vertical adjustment by sliding the seat tube clamp. Accommodates between 32t and 52t for round and oval chainrings
- Loosen one screw to flip the guide out of the way for easy chain removal without losing any of the guide's adjustments
- All adjustments made with common 4 mm hex key
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- Specific guide shaping is optimized for use with elliptical and round chainrings
- Installation takes just a few minutes – no need to remove your crank arms
Compatibility
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- Installation instructions shown in photos on this page
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- For 1x use only
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The Wolf Tooth LoneWolf Aero Chainguide for Cervelo prevents dropped chains on select Cervelo models when equipped with a 1x drivetrain. This product has been tested and developed alongside Team Jumbo-Visma, who have been racing with this in some of road cycling’s biggest races, winning the Maglia Rosa in the 2023 Giro d'Italia.
Compatibility
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