Single Speed Chain Tensioner 3/4/5/6/7 Speeds for Brompton for Cline/Pline

Features:

*Compatible with Folding Bikes: Designed specifically for Brompton Cline and Pline folding bikes, this chain tensioner ensures smooth chain operation.

*Lightweight Aluminum Build: Made from aluminum alloy, the tensioner is lightweight, suitable for everyday use.

*For Single-Speed Setups: Support internal 3 external 4 speed, support external 5/6/7 speed

*Due to the short distance between the rear fork and the rear axle of some folding bicycles, and the rear axle opening is too short, it is generally recommended to modify it within 5 speed (5-speed included)

*Note: This tensioner needs to be used with a rear derailleur system, and cannot be adapted to a original turnplate type thumb shifter for Brompton

*Size: Features a 17.6mm mounting hole and a 37mm 12T nylon guide wheel, providing a precise fit

Specifications:

*Product Name: Single Speed Chain Tensioner

*Material: aluminum alloy