For 1 or 2 speed Brompton only.
56 tooth chain ring/ guard assembly chainwheel for 1 or 2 speed Brompton Folding Bike.
It can use on original Brompton 1 or 2-speed rear hub.
This is a replacement 54 tooth chain ring complete with guard.
Made with unibody CNC.
It’s made by 7075 aluminum.
It comes with guard, which will prevent chainring stain.