Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black Kenda }CeramicSpeed 61902 Standard Bearing -

}CeramicSpeed 61902 Standard Bearing - (6902)

They are engineered to use the largest possible ball size and are filled with high-pressure waterproof lubricant

Road Plus TCS: Sealant optimized lightweight casing with folding TCS aramid bead and Dual Compound DNA rubber

With its long handle and E-nickel-plated steel construction the HCW-16

Shimano Tiagra FC-4703 CranksetsCrankset with integrated 24mm axle decreases weight and improves rigidity

Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black Kenda }CeramicSpeed 61902 Standard Bearing -Promax SC 1 Square Taper Chromoly JIS Bottom Bracket 108mm Black. SC 1 bottom brackets are the perfect choice for those who still prefer the low weight and simplicity of square taper cranks. Each bottom bracket is hand assembled using a hollow chromoly spindle precision sealed bearings forged and CNC machined alloy cups and a composite center spacer seal. Hollow chromoly spindle CNC machined alloy cups JIS square taper TECH SPECS Bottom Bracket Shell