Brompton
http://www.brompton.co.uk/
Bike Builder
https://jp.brompton.com/build-your-brompton

代理店
http://www.mizutanibike.co.jp/brand/brompton/
販売店リスト
http://www.mizutanibike.co.jp/brand/brompton/dealers.html

Technical videos
https://brompton.zendesk.com/entries/22325003-Technical-videos
Owners manual
https://brompton.zendesk.com/hc/en-us/articles/206000391-Brompton-Owners-Manual

各部締め付けトルクの一覧表らしきもの
http://www.ready-made.de/torque/
日本語マニュアル
https://brompton.zendesk.com/attachments/token/dkhxxjatuubgdhf/?name=Owner+manual+in+Japanese.pdf

前スレ88
https://medaka.5ch.net/test/read.cgi/bicycle/1584965412/l50