Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black Kenda Cartridge Type Threaded Included Cartridge

Cartridge Type Threaded Included Cartridge Yes Defined Color Silver

Welded Aluminum rim with 30mm internal width

}CeramicSpeed 61902 Standard Bearing - (6902)

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

Color Black/Silver Brake Lever Actuation Short Pull

Promax SC-1 Square Taper Chromoly JIS Bottom Bracket 108mm Black Kenda Cartridge Type Threaded Included CartridgePromax 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