Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black Brake Lever Actuation-Short Pull model SF Sport Gel rails

model SF Sport Gel rails CrMo top microfiber color black size M/L weight 355g

Total Volume 53 Color Black Waterproof No Weight 78 Defined Color Black Primary Material Nylon Attachment Method Straps

}Full Speed Ahead Pro Track 51t x144mm Black Chainring 1/2"x1/8"

6 Defined Color Black ISO Width (mm) 44 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 44 Tire Type Tubeless Ready Clincher

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black Brake Lever Actuation-Short Pull model SF Sport Gel railsPromax 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