Tange Seiki Falcon FL270C Headset is the perfect alternative / upgrade for Brompton bikes. This headset has high quality Japanese sealed cartridge bearings, so no loose balls like the cheaper version of Tange and the standard Brompton headsets. For the price of a Brompton headset you get the next level in quality and durability. Tested and approved for off road use in the EerderXplorer bikes. (which are based on the Brompton main frame and folding style)
Sealed Cartridge Bearing system
Lightweight and strong duraluminum alloy construction, only 102 grams!!
Tange Seiki Japanese 4T5 sealed cartridge bearings
Fully Sealed Mechanism
Stack height 22.9 + 11.5 = 34.4 mm