Chain tensioner | alloy | black | with return spring | Attachment to the dropout

Product information "Chain tensioner | alloy | black | with return spring | Attachment to the dropout"
All-purpose use chain tensioner to mount on the derailleur hanger. Convert any vertical dropout frame with derailleur hanger to a single speed bike.

Spring loaded arm keeps tension on chain and this chain retention hoop prevents chain derailment.

Pulley axle ist adjustable to optimize chainline.

Material: alloy

Color: black

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