This nifty accessory for A Line, C Line, and Superlight (any post 2017 Brompton) will prevent your folded Brompton from opening when the seat post is midway, similar to the P Line. Now everyone can enjoy the convenience of a more ergonomic way of pushing your Brompton like the P Line. More convenient than using velcros to prevent unfolding.
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Simple clip on installation, no tools required.
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Simple unclip to remove, no tools required.
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Works on Brompton's with or without mudguards.
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Still able to retract the seat post all the way down if needed to.
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Designed to work with stock seat post.
