Top 3 Sealed Bottom Bracket – Bike Bottom Brackets

As an Amazon Associate I earn from qualifying purchases.

1. Alta


Alta Chromoly Bicycle Crank Set 175mm American Sealed Bottom Bracket 8 Splines, Multiple Colors. Black

Alta #ad - American bottom Bracket Sealed Bearings. 175mm long Crank Arms. Sold as Complete Set. Chromoly crank arms, Chromoly Spindle with 8 Splines.
BrandAlta #ad
ManufacturerF & R Cycle Inc. #ad
Part Number143682-143686



SHIMANO BB-UN26 Square Taper Bottom Bracket 68x113-mm

SHIMANO #ad - Plastic left cup. Square taper interface. Sealed no service bearings. Shimano reference Number: BB-UN26.
BrandSHIMANO #ad
ManufacturerShimano #ad
Height1.97 Inches
Length4.33 Inches
Weight0.22 Pounds
Width4.33 Inches
Part NumberBBUN26B13

3. Black Ops


19mm, Black Ops Mid/USA Dualie Bottom Bracket, Black

Black Ops #ad - Anodized surface finish. 6061-t6 full cnC alloy construction. Compatible with both American and Mid style BB shells.
BrandBlack Ops #ad
ManufacturerBLACK OPS #ad
Height1 Inches
Length8.25 Inches
Weight0.57 Pounds
Width4.7 Inches
Part Number22943
ModelMid/USA Dualie BB