julio 22, 2026
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 inches bottom bracket shells. Item Specifications: Weight, 102.9, BB/Frame Interface, English Thread, BB Shell Width, 68, BB Style, Euro, Defined Color, Black, Bore, 24mm, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us