Brompton Rear Mud Guard Roller Single Wheel for T Line P LineBrompton Rear Mud Guard Roller Single Wheel for T Line P Line The Brompton rear mudguard roller wheel serves as a pivotal component designed specifically for P Line and T Line Brompton folding bikes equipped with mudguards but lacking a rack. Its primary functions include: Stability and Support: Ensures the bike remains upright and stable when folded, crucial for commuters and urban cyclists navigating public transportation or storing bikes in