Cyclus Tools Chain Tensioner | Alloy | Black | With Return Spring | Attachment To The Dropout MTB Bikes To do that you can

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Cyclus Tools Chain Tensioner | Alloy | Black | With Return Spring | Attachment To The Dropout MTB Bikes To do that you canProduct Description 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