DMR STS Chain Tensioner
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Details
- Simple tension seeker (STS) allows the use of a 1 speed drivetrain on a vertical drop frame
- Perfect for street or dirt jump where simplicity and durability is key
- Stainless steel arm mounts to derailleur hanger and dropout
- Loosen bolt and swing down and back to adjust chain tension
- High density polyurethane pulley with sealed cartridge bearings