N neilob Retro Guru Jul 30, 2014 #1 Looking for a high-end (400/600) Biopace triple or even just Biopace rings. Ideally road ratios (50/40/30) and 170mm but happy to consider others. Must be exc condition. Thanks.
Looking for a high-end (400/600) Biopace triple or even just Biopace rings. Ideally road ratios (50/40/30) and 170mm but happy to consider others. Must be exc condition. Thanks.
