Brompton Belt Drive

Thomas inderka of cologne germany has completed a conversion of his brompton to belt drive. Does that mean there ll be a rider weight limit.

Http Dkprojects Net Belt Drive Brompton Inderka1 Jpg Brompton Bicycle Bicycle Brompton

What s in the kit.

Brompton belt drive. But if you asked me i m looking forward to a maintenance free greaseless carbon belt drive for the brompton. It s a lot cleaner than your standard 24 speed drivetrain with all the gears and stuff but with the standard chain it still gets dirty. Thomas is using the custom 3d printed 15 tooth cog and 14 tooth idler.

February 21 2012 10 58 48 am i don t know brommies intimately but looking at the photos it strikes me that there would be several ways of redesigning that rear triangle so that you could fit a belt or chain by removing the entire triangle from the bike rather than splitting a stay as is the. I can t see that being very strong but obviously necessary because of the belt drive. Yes this is possible but with a limitation there s only one belt combination that works on the brompton 19 70 and that s quite low geared giving a bottom gear of about 17 and a top gear of 88.

A belt drive system can now be ordered with any kinetics rear gearing belt drives need no lubrication and are in theory very durable. Carbon belt drive makes your rides smooth and dirt oil free. But as you say getting on for three times the price of a brompton once you ve added gearing.

Why you should get one of these folding bikes. Can it have a belt drive. Actually this belt drive is available for manufacturers only starting at 20 units per order.

Unlike chains belts never fall off and make your bike lighter with no compromise. Brompton with belt drive reply 8 on. My current 6 speed brompton has a combination 3 gear internal hub and 2 gear derailleur.

There s one caveat to get the brompton to fold this upgrade does things to the belt that aren t approved by gates it folds back on itself. It is lighter and stronger than the brompton aluminium carrier. The schlumpf belt drive concept abds advanced belt drive system works without any preload by using the industrial standard of 14mm pitch instead of 11mm of the gates drive.

And no mudguards though you can order some for 200. The belt is much narrower 6mm instead of 10mm of the gates design. The frame split and clamp was made by a a brass instrument maker.

And no chain stays.

Http Dkprojects Net Belt Drive Brompton Inderka2 Jpg Brompton Bicycle Brompton Bicycle