Box components Box Two Alloy External ENG Bottom Bracket 68/73mm Shimano HTII 24mm CheckoutSpec= 32t T-Type 5" ISO Width (mm) 48

5" ISO Width (mm) 48 Labeled Size 27

The fiber is as strong as polyester and as soft as silk

Indicates chain wear at 0

Knurled shoulder knobs for corning confidence

Box components Box Two Alloy External ENG Bottom Bracket 68/73mm Shimano HTII 24mm CheckoutSpec= 32t T-Type 5" ISO Width (mm) 48Box Two External bottom brackets feature cold forged and CNC machined alloy cups dual labyrinth bearing covers and precision sealed bearings. The perfect match to Box Three and Four cranks and the ultimate upgrade to the budget BBs sold with most cranksets TECH SPECS Width 68 73mm BB Interface ENG Spindle Type Shimano HTII 24mm Length Cup Material 6061 T6 Weight 105g Cup Type Cup OD Bearing OD Color