Brompton Lower Stop Disc Set

The Lower Stop Disc is fastened to the Brompton's rear brake nut. When the Brompton is folded, it abuts against the seat pillar, effectively preventing the rear wheel from unfolding. This set includes a stop disc, nut, bolt, and washer. Specification: Part code - QLSDA, Part number - 9040070.

Using this Brompton lower stop disc set is easy. First, locate the rear brake nut on your Brompton bike. Then, attach the stop disc to the nut with the provided bolt, nut, and washer. Make sure it's firmly in place. When you fold your Brompton, the stop disc will rest against the seat pillar and keep the rear wheel from unfolding. As for maintenance, regularly check that the parts are tight and not loose. If you notice any signs of wear or damage, replace the parts promptly. Also, keep the set clean to ensure smooth operation.