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Brompton lower stop disc set - MK 3 - QLSDA
The rear stop disc stops your Bromptons front wheel from unhooking itself from the chainstay tube when you pick it up.
We have 30 left in stock in stock
Warning: Last few in stock!
The lower stop disk keeps the rear wheel locked in place in conjunction with the seat post when the Brompton is folded.
Using the thread / locknut it can be adjusted to get the optimal position
If the gap between the seatpost and lower stop disc is too small, then the seatpost will catch / rub on the lower stop disc when raised lowered
if the gap between the seatpost and the lower stop disc is too big then the frame hook (on the front forks) which keeps the bike folded may come un-hooked when you pick up the folded Brompton
The lower stop disc (or LSD) assembly supplied here is a Mk 3 type
It can be used equally well as a replacement on your bike already fitted with a Mk 3 type as on a bike fitted with a Mk 2 type
The assembly consists of the following parts:
Plastic lower stop disc (with thread)
(These parts are supplier pre-assembled)
It comes complete with a flat washer and a concave washer (in case you lost yours from the rear brake caliper)
Brompton 2020 Q part code: 102074
Brompton Q part code: QLSDA
Brompton part number: 9040070
See the downloads section below for instructions
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