Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black multi room pairing ensuring it meets our stringent

ensuring it meets our stringent standards

Echo Trails: True

✅ Smart Touch Display – User-friendly LCD touchscreen for seamless control and customization

Voltage: 36V

Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black multi room pairing ensuring it meets our stringentEX 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 Spindle Interface Type: Shimano Hollowtech II , FSA MegaExo , FSA MegaExo Light ,