Crank Brothers Cobalt SL Bottom Brackets use overkill technology
- a double row drive side bearing, to prevent premature bearing wear. Aditionally, specially designed Viton external seals provide additional protection against contamination. weight
- 236g. spindle
- chromoly steel. width
- 113 mm. drive side bearings
- double row. non-drive side bearings
- singe row. external seals – viton. guarantee
- 5 years.