Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black MFPN=ZH0784 Extra-tall 30mm of rise gives

Extra-tall 30mm of rise gives way to comfort and added control

6 Stack Height 40 Weight 159 Color Black Rise 0 Material Aluminum Length 50 Bar Clamp Diameter (mm) 35

Rotor Size (mm) 180Pad Compatibility All Pad CompoundsRotor Type One Piecekeyword search SM-RT66Hub/Disc Compatibility 6-Bolt

8mm Thickness For 2-Piston Calipers Silver

The Terreno bridges the gap between file treads and traditional all-conditions treads

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black MFPN=ZH0784 Extra-tall 30mm of rise givesPromax EX 1 Alloy external Sealed Bottom Bracket 68 73mm Black. EX 1 External bottom brackets feature cold forged and CNC machined alloy cups dual labyrinth bearing covers and precision sealed bearings. They are the perfect match to Promax CF 2 and HF 2 cranks and ultimate upgrade to the budget BBs sold with most crank sets. Fits all 24 millimeter bottom bracket spindles and frames with 68 or 73 x BC1. 37 bottom bracket shells TECH SPECS Bottom