New Upgrade Day: Ergon GP1 Bioleder (review in comments) : r/Brompton
Brooks Lenkergriffe Ergon GP1 in black brown, honey | Studio Brisant
Brooks GP1 Black Leather Grips - Upgrade
Brooks England Two Pieces Gp1 Leather Grips - Various Sizes and Colors | eBay
My cockpit with the newly installed Ergon GP1 BioLeather (akin Brooks GP1). Pretty straight forward installation for M-Bar except for the clearance on both bar ends. : r/Brompton