Brompton 7 Speed upgrade (MiniMODs)
MiniMODs 7 Speed x7 Upgrade Set
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
Description:
• The MiniMODs Rear Derailleur is specifically designed for the P/T Line rear triangle and is not compatible with the A/C Line.
• The MiniMODs Tensioner is for the P/T Line only and is not compatible with the A/C Line. It included a ceramic bushing and jockey wheel.
• The MiniMODs X7 Cogs Set is intended for use on the original P/T Line rear hub, requiring no more modifications for installation. The final fixed cog should be secured using the included lock nut replacing the original one.
• When the chain is on the max 28t cog, it may rub against the brake housing. The cable holder is needed to prevent wear on the brake housing.
• The MiniMODs 7 Speed Shifter is left-hand specific and can be installed directly below the original left-hand brake lever, replacing the original four-speed shifter.
• Upgrade to a standard 11-speed chain.
• The existing shifter housing on the P/T Line can be reused without needing to change the length.
• If upgrading to a 7 speed external gear system on an A/C Line Brompton using a P/T Line wheelset, you need to choose the MiniMODs Rear Derailleur and Tensioner for the A/C Line. The other parts specifications remain the same.
• The MiniMODs Rear Derailleur, Tensioner, X7 Cog Set, and Shifter 7s mainly come in black and silver, with other colors released based on market demand. Only one batch on produced and quantities will be limited.
• Installing the MiniMODs 7-speed X7 upgrade is not very difficult, but it does require a certain level of skill. Self-installation can be seen as a personal challenge for those upgrading their Brompton. It is recommended to have relevant installation experience or seek assistance from a store or experienced technician to ensure successful installation.
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