Promax Bicycle Bottom Brackets - Threaded & Press Fit

dust cover for all models, a snug & secure fit that also fully protects the face of the bearing delivers exceptional performance without any sacrifices. CeramicSpeed hand-built bearings carry the load from ...

extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Features: Grade 3 Silicon Nitride balls Coated races increase bearing service life by increasing hardness of ...

dust cover for all models, a snug & secure fit that also fully protects the face of the bearing delivers exceptional performance without any sacrifices. CeramicSpeed hand-built bearings carry the load from ...

for e*thirteen XCX, TRS, and LG1 cranks. Also compatible with older Fifteen.G cranks (requires spacer and wave washer kit, EV-8003) 7075-T6 black anodized cups with custom angular contact bearings One year no ...

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 bottom brackets sold with most ...