Supplypost|brompton Aluminum Seatpost - Adjustable Two-section For Round Rail Saddles
Brompton Upgrades | Chester Cycling (and other stuff)
So I've just replaced my telescopic seatpost to this alloy one that's a fraction of the weight (470g savings!). Yet to take it for a spin, but any major cons I need
Litepro For Brompton Folding Bike Seatpost Clamp Set sp02 Bicycle Quick Release Seat post Clamp Hook
Amazon.com : Standard length Seatpost for BROMPTON in Silver : Sports & Outdoors
Amazon.com : Titanium Balance Seatpost for Brompton Folding Bike 31.8mm Ultra Light Seat Saddle Post Fit 7*7 / 7*9 Rails (550, Gold Color) : Sports & Outdoors
Brompton Seatpost - Just Ride L.A.
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Superlight Carbon Seatpost Extended | Brompton Bicycle USA
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Standard Height Seatpost Black | Brompton Bicycle USA
Extended Seatpost Titanium - 600mm for Brompton (H&H) | eBay
Brompton Seatpost - steel - BikePartners Bike Shop
Brompfication Titanium Seatpost for Brompton | Perennial Cycle
Brompton Seatpost Quick release - J.C. Lind Bike Co.
Ti Parts Workshop Titanium Seatpost for Brompton Bicycle – Fantastic4Toys
Seatpost Steel Extended 60mm Silver | Brompton Bicycle USA