-37g For Brompton P/T Line 4 speed Lightweight Aluminum Tensioner Gear Range Expansion upgrade potential (H&H)
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For P/T Line 4 speed Lightweight Aluminum Tensioner Gear Range Expansion upgrade (H&H)
CNC machined lightweight, less 37g off stock
Compatible to even larger cog (original 18T)
Titanium Tensioner Spring.
Smooth surface treatment with multiple colours to match your style.
Limited colour might be only available in 1st batch.
Listing only for one tensioner arm and hook for P/T Line Brompton. Not compatible to other older rear frame Bromoppton (e.g. A or C Line) Jocky wheels, Hub or external cogs modification kit not included (Shimano spec).