The Work Horse Bottom Bracket:
- Sealed cartridge bearings
- Boron steel spindle
- Phosphated cups
- Anodized aluminum sheath
- Thread spec: BC1.37” x 24T
- 280 grams
- JIS taper (fits modern cranks- not compatible with classic European cranks)
- Available in the following sizes: 73mm shell by: 110.5mm Only!!!
Product Code: 1978-020-110.5