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The rear frame clip was introduced by Brompton in 2007. It stops your Brompton from automatically folding each time you pick it up (such as for going up or down a short set of steps).
This kit is designed to retro-fit to pre-2007 model Bromptons adding the improved functionality.
If your bike folds automatically when you pick it up - you probably want this - we think it's the best Brompton upgrade out there!
It clips the rear triangle in an unfolded position, to stop the bike folding automatically when picked up.
For bikes (pre-2007) with 8mm rather than 6mm bolt on the seatpost quick release. Note: Although even if you have a quick release on the seatpost, it is a different diameter (8mm) - so you need the new quick release in order for the rear frame kit to fit (it's now 6mm - so the old clamp is not compatible with the rear frame clip alone)
