Q2 Single Speed Chain Tensioner, Sealed, CNC AlloyQ2 Single Speed Chain Tensioner CNC alloy construction Black with laser etched logo Bolts into a standard derailleur hanger Convert your bike to single-speedFeatures of Q2 Single Speed Chain Tensioner, Sealed, CNC Alloy Product Weight: 19 oz.Specification of Q2 Single Speed Chain Tensioner, Sealed, ..

Q2 Carbon Single Speed Conversion Spacer Kit w/LockringQ2 Carbon Single Speed Conversion Spacer Kit W/LockringFeatures of Q2 Carbon Single Speed Conversion Spacer Kit w/Lockring Turns any Shimano 8/9-Speed hub into a Single-Speed hub | Includes alloy lockring and 7 aluminum and carbon spacers | Works with most Shimano compatible freehubs | Carbon s..