• Bottom bracket for one piece crank
• Sealed mechanism
• 24 tpi
• 21462 -----Chrome    OPC  •  Steel  •  310-315g 
• 22350 ----- Black        OPC  •  Steel  •  310-315g 

BB UNIT  L&R CERAMC CUP SHI RD/MT ENG

• Fits all Shimano road and mountain external bearing cranksets
• CNC machined alloy cups with ceramic balls and stainless steel races
• Ceramic bearings offer better corrosion resistance, increased product life and lower friction
• Ceramic bearings require 78% less energy to move then standard bearings
• 22036   -- 68/73mm
• 22037   -- 70mm

BB SET  68x102 P/P TQL SQ ENG

• Forged alloy body and cups
• CNC hollow chromoly spindle
• Sealed cartridge bearings
• 21253   -- 68mm ENG ISO-Campy Sq Taper x 111mm
• 20179   -- 68mm ENG ISO-Campy Sq Taper x 115mm

BB SET 73x113 P/P TQL SQ ENG

• Forged alloy body and cups
• CNC hollow chromoly spindle
• Sealed cartridge bearings
• 20176   -- 73 x 116mm
• 20177   -- 73 x 122mm

BB SET  68x103 P/P TQL SQ ENG

• Forged alloy body and cups
• CNC hollow chromoly spindle
• Sealed cartridge bearings
• 21300   -- 68 x 107mm
• 21301   -- 68 x 110mm
• 20174   -- 68 x 113mm
• 21302   -- 68 x 116mm
• 21303   -- 68 x 118mm
• 21304   -- 68 x 122mm