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BIKEgang
7 Speed X7 Upgrade
Brompton 7 Speed upgrade/mods for climbs. Try a WIDER GEAR RATIO and no more pushing uphill! (See our blog post for more details.)
MiniMODs are specifically designed to upgrade Brompton's original P/T Line to a 7-speed external gear system, The necessary components are as follows,
x1 MiniMODs Rear Derailleur
x1 MiniMODs Tensioner (includes ceramic bushing and jockey wheel)
x1 MiniMODs 7 Speed Shifter (double tap on the left side)
x1 MiniMODs x7 Cogs Set (11-13-15-18-21-24-28t)
x1 MiniMODs Brake Cable Holder
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