BB Seal - BB86/92 (Aluminium) - 28x41

SE BB66 XD15 (41mm) - XD15 Corsa Bottom Bracket Seal - 28mm x 41mm Refresh you XD15 Corsa Bottom Bracket Enduro XD15 Corsa Ceramic-Hybrid bearings are guaranteed forever, but unfortunately some of the parts that surround them can still wear out. This dual-lip silicone seal presses directly onto the inner race of our 24mm x 37mm XD15 Corsa bottom bracket bearing to provide a perfect seal onto our BSA or Italian external BB cups.