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7 Speed Brompton P/T Line MiniMODs upgrade kit Full set
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7 Speed Brompton P/T Line MiniMODs upgrade kit Full set

Store/Brompton
SKU MIN147PTKIT
£428.00
Color
Brompton Model
Cog
11T Cog Refill
5 available
1
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7 Speed Brompton P/T Line MiniMODs upgrade kit Full set
Store/Brompton
Product Details
Item location: Taiwan
Status: In Stock
Payment: Paypal, Credit Card
Ship to:: Worldwide
Weight: 89 g

MiniMODs 7 Speed Brompton P/T Line upgrade kit:

  • X7 cogs
  • Rear derailleur set
  • 7-speed shifter
  • cable holder

*The set works best with an 11-speed chain


  • Aluminum alloy CNC machined lightweight tensioner arms, derailleur, fixture, and thumb shifter.
  • Compatible with P/T Line or Electric P Line frame (A/C Line version is in other listings). Comes with X7 advanced Cog Set on stock wheelset for 7-speed 11-28T (#X7AdvancedCogSet).
  • The largest cog is 28T (vs. the original max 18T on P/T Line).
  • Titanium Tensioner Spring.
  • CNC machined advanced-parallelogram derailleur (spring-activated main body, 2 Jockey wheels, fixture).
  • Double tap 7-speed thumb shifter with cable.
  • Please find for A/C Line version in this LISTING.

11T Cog Refill:

The “11T cog refill” is a replacement for the smallest cog (the 11-tooth) on the 7-speed cassette. For riders who cover a lot of distance or tend to push hard in higher gears, this smallest cog tends to wear out faster. It’s especially common among heavier riders or those who often stay in the 11T gear for speed.

That’s why we recommend keeping a spare 11T cog on hand, especially if you ride frequently or intensively — it helps extend the life of your drivetrain and keeps your setup running smoothly.

Note :

  • This modification is more difficult than the rather easy "plug and play". (please expect some more time and patience to finetune the result).
  • Do not recommend this as a DIY project, please consult your LBS mechanic before ordering.
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