Description and materials - Replacement bottom bracket bearing, suitable for all Reset and Try-All bb’s. - Double-sealed construction ensures a smooth running for a long period of time. - 7mm wide for the non-drive side, and 14mm wide for the drive side. - 31mm in external diameter and 21mm in internal diameter for both sides. - Suitable for all Reset and Try-All (red sticker) bottom brackets. - Sold singly. Dimensions - Left (non-drive side): Ø 31mm(external), Ø 21,5mm(internal), 7mm thick. - Right: Ø 31mm(external), Ø 21,5mm(internal), 14mm thick. Finishes - Silver Weight - 13g (left) and 26g (right)