Gearboxes, belt drive & bigger wheels - these aftermarket upgrades might just give us a glimpse into the future of Brompton folding bikes. 📘 The Bikepacking Bike Buyer's Guide: https://www.cyclingabout.com/bikepacking-bike-buyers-guide 📕 The Touring Bicycle Buyer's Guide: https://www.cyclingabout.com/touring-bicycle-buyers-guide 🔋 Kinetics Custom Bromptons: https://www.kinetics-online.co.uk/category/custom-builds/ 🧲 Eerder Metaal Bromptons: https://www.eerdermetaal.nl/brompton_winkelcollectie.html/ 🧿 Faltradritter Pinion Bromptons: https://www.faltradritter.de/projekt-024/ 🧽 Junik-HPV Extra Large Bromptons: https://junik-hpv.de/ Like my videos? Patreon supporters get early access to my films and exclusive access to my Q&As: 🌱 PATREON (Monthly rewards!): https://bit.ly/3vVaioW ⚡️ PAYPAL (One-off donation to replace broken camera gear!): https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=AK5GDWZEHBY5S&source=url 🔥 INSTA: http://instagram.com/cyclingabout/ 🌎 FACEBOOK: http://fb.com/cyclingabout/ 🚵🏻♂️ CYCLINGABOUT (endless bike travel info!): https://cyclingabout.com/ 0:00 - Intro 1:45 - Aftermarket Wheel Diameters 5:47 - Aftermarket Gearbox Drivetrains 7:33 - Aftermarket Belt Drivetrains 7:54 - Aftermarket Disc Brakes 8:30 - Brompton Bikes For Tall Cyclists 9:29 - Summary