Brompton Advanced Roller Rack designed specifically for P Line, T Line, and C Line 12-speed Brompton bikes. The Brompton Advanced Roller Rack is a lightweight, high-strength rear carrier designed for the latest generation of Brompton bikes. Compatible with P Line, T Line, and C Line 12-speed models, it provides improved stability and effortless rolling when folded, along with practical carrying capacity for daily use. Constructed from precision-engineered aluminum with an updated four-wheel design, the Advanced Roller Rack enhances balance and maneuverability while pushing or storing your folded Brompton. The low-profile design integrates cleanly with the frame, adding utility without compromising portability or style. Design That Works Optimized for P Line, T Line, and C Line 12-speed Bromptons Lightweight aluminum construction with durable anodized finish Four large roller wheels for smooth, stable movement when folded Improved balance and clearance over previous Brompton racks Integrated rear reflector mount for visibility and safety Ideal for carrying small loads or adding rolling convenience to your setup Note: Compatible with P, T, and 12 Speed C Line Brompton bikes only. Not compatible with earlier C Line 2-speed or 6-speed models. Installation requires frame mounting points found on recent Brompton generations. Attaches with four fasteners to the bosses on the Brompton P or T Line frame. No need to remove your brake.