Not “No Maintenance”, But “Low Maintenance”! Roller Brakes, An Idiots Guide! | Really Useful Bikes
Shimano Roller Brake
Shimano Nexus BR-C6000 Roller Brake
Roller brake unit with fin SHIMANO Bicycle Brakes - Color: Silver / black, Specification: With cooling fins, Type of Brake: Roller brake | MonotaRO Thailand
Shimano Nexus BR-C6000 Hub Roller Brake - Pedal Power RVA | Richmond, VA