H&H Design 40T Black Unibody Chain Ring / Guard

H&H design 40T black unibody chain ring/guard.

For 3 speed Brompton only.

40T black unibody chain ring/ guard assembly chainwheel for 3-speed Brompton Folding Bike. 

BCD130

It can use original Brompton 3-speed rear hub.

This is a replacement 54 tooth chain ring complete with guard.

Changing from the standard 50 tooth 3 speed to 40 tooth will decrease your gearing which will make getting up hills slightly easier.

Made with unibody CNC.

It made by 7075 aluminum T6.

It comes with guard, which will prevent chainring stain.

Weigh: 60g (+/-1g)