4-Jeri SS Bicycle Chain Tension Keeper Single Speed Chain Tensioner 4 Jeri Black
Regular price$25.99
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- Low stock - 3 items left
- Inventory on the way
New 4-Jeri Single Speed Chain Tensioner
Color: Black
Chain Compatibility: 3/32"
Single speed chain tensioner with external tension spring
AKA: singulators / singleators
Converts standard derailleur bikes to a single speed.
This tensioner attaches to the same threaded hole that your derailleur is currently attached to.
Spring tension from the tensioner keeps the chain tight and keeps the chain tracking on your sprocket appropriately.
Just remove the old derailleur and shorten your chain as necessary
Chain retention hoop prevents chain derailment
Convert any vertical dropout frame with derailleur hanger to a Single Speed
Spring loaded arm keeps tension on chain, pulley axle adjusts to optimize chain line
Fits bikes with standard 10mm x 1 derailleur mounting hole
Mfg claimed weight 113g
Color: Black
CH4JSSTK
JE6521
5051699000432
Color: Black
Chain Compatibility: 3/32"
Single speed chain tensioner with external tension spring
AKA: singulators / singleators
Converts standard derailleur bikes to a single speed.
This tensioner attaches to the same threaded hole that your derailleur is currently attached to.
Spring tension from the tensioner keeps the chain tight and keeps the chain tracking on your sprocket appropriately.
Just remove the old derailleur and shorten your chain as necessary
Chain retention hoop prevents chain derailment
Convert any vertical dropout frame with derailleur hanger to a Single Speed
Spring loaded arm keeps tension on chain, pulley axle adjusts to optimize chain line
Fits bikes with standard 10mm x 1 derailleur mounting hole
Mfg claimed weight 113g
Color: Black
CH4JSSTK
JE6521
5051699000432
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