Birzman Chain Keeper
Chain Keeper is backordered and will ship as soon as it is back in stock.
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Description
Description
Compatible with QR and 12mm thru-axle dropouts without exchanging parts. Features a freely rotating and laterally movable pulley that allows derailleur shifting. High Polymer Spacer provides abrasion protection against dropout surfaces.
Features:
- Material: CNC-machined aluminum / alloy steel / high polymer
- Size: 140 x 110 x 50 mm
- Pulley compatible with chains with one to 13 gears
Specifications
Specifications
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Material