TruVativ Howitzer M15 68-73E 51mm chainline Bottom Bracket
Unique design specifically for Truvativ cranksets that are designated Howitzer compatible. Combines external GXP type cups with heavy duty spindles used on some Truvativ three-piece cranksets.
- 51mm chainline matches 113mm spindle with conventional three-piece cranks, 56mm matches 118mm
- Sealed oversized cartridge bearings
- Crank bolts are included
- Larger bore through spindle reduces weight
|Manufacturer's Part #||00.6415.028.000|