SC-1 bottom brackets are the perfect choice for those who still prefer the low weight and simplicity of square taper cranks. Each bottom bracket is hand assembled using a hollow chromoly spindle precision sealed bearings forged and CNC-machined alloy cups and a composite center spacer/seal.
Hollow chromoly spindleCNC-machined alloy cupsJIS square taper
| Bottom Bracket Shell I.D. |
1.37 |
| BB/Frame Interface |
English |
| BB Shell Width (mm) |
68 |
| Weight |
246, 253 |
| Spindle Interface Type |
Square Taper JIS |
| Spindle Length |
108, 113 |
| Defined Color |
Black |