25mm / 37mm / 6mm ( 6805N ) ---. 6805 2RS Bearings. --- 25mm / 37mm / 7mm ( 6805 ) ---. The regular 6805 found in most. OEM spec 2RS bearings. Each Hybrid Ceramic 2RS. silicone nitride ( ceramic Si3N4 ).
Bike Bearings 6805N 25mm X 37mm X 6mm Rubber Sealed MR25376 Hubs BBs 6805-RD
Campagnolo Ultra Torque Bottom Bracket Bearings 6805N Steel /Ceramic FREE POST
Shimano Hollowtech 2 Bearings Bottom Bracket 6805 6-7mm Steel /Ceramic Free Post
PAIR OF DUNLOP 61805 2RS (6805-2RS) THIN SECTION BEARINGS 25X37X7MM
PAIR OF DUNLOP 61805-2RS (6805-2RS) THIN SECTION HIGH QUALITY BEARINGS 25X37X7MM
6805N-2RS Kit (Campagnolo Ultra Torque) 25 x 37 x 6 STEEL OR HYBIRD CERAMIC
