Single Speed Chain Tensioners
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Surly NEW Singulator (Convert gear frame into a single speed)
Midwest single-speed legend Pete Geigle developed the 1x1 Singleator so you single-speed virgins could taste the pure mountain biking experience without spending too much cash. Installing horizontal dropouts on your frame can be difficult and/or expensive, particularly if your steed is of the aluminum variety. The Singleator mounts right up to your derailleur hanger and provides a simple, effective, and adjustable means of tensioning the excess chain slack found in vertical dropout single-speed drive trains. The Singleator features a triple sealed spring, larger cog capacity, chain guides, fully adjustable chain line, floating pulley, and a stainless steel pivot bushing. An 11 tooth pulley for smooth, quiet operation. And, it now works with both 1/8" (BMX) or 3/32" (geared bikes) chains.
$50 ea.

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Surly Tug Nut Chain Tensioner (for bikes with horizontal drop outs)
Ever stomp on the pedals just to have your rear wheel slide forward in the dropouts and throw your chain? There are lots of BMX-style tensioners out there, but few of them fit dropouts without some serious grinding. So, Surly decided to design a chain tensioner that will keep that rear wheel static in horizontal 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 too.
$28 ea.
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Soulcraft Convert Single Speed Tensioner. (Convert gear frame into a single speed)
Soulcraft Convert Chain Tensioner. Locks in postion against chain for tension and has a one button release to allow for easy wheel removal. Pushrod quick release feature for easy wheel removal, Quiet polyurethane roller, 7 or 8 speed 3/32" chain recommended, Use with non-ramped cogs and chainrings, Should not be used with fixed gear hubs.
$79.99 ea.

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