Carbon Steel Bike Bottom Bracket Square Taper Bottom Bracket Square Taper Crank Arm Installation

Label:Yes Easy Installation: The double bearing thread design creates a stable connection that prevents binding during assembly. The standardA threading works with most 68mm(2.68in) bottom bracket shells. You can install this bottom bracket quickly without special tools or complex adjustments. Frame Protection and Efficient Power: The integrated design helps protect your frame by distributing pedaling forces evenly. This structure allows for more direct power transfer compared to basic designs. The lightweight build adds minimal extra weight, keeping your bike responsive during rides. Smooth Pedaling with Less Effort: Precision machined threads ensure a snug fit into the frame shell. The two bearing layout allows the spindle to rotate freely with low friction, reducing the energy needed to turn the cranks. This results in a smoother pedaling feel over long rides. Durable Carbon Steel Spindle: This bottom bracket uses a carbon steel spindle with stainless steel bearings for dependable strength. The sealed bearing assembly maintains good lubrication over time, reducing wear from dirt and water. Riders can expect a long service life from this sturdy component. Versatile Length Options: Available in 110mm(4.33in), 118mm(4.65in), 120mm(4.72in), 122mm(4.80in), and 127mm(5.00in) axle lengths. The square taper interface fits most standard crank arms. Choose the correct length for your crankset and chainline. Package includes the bottom bracket and two mounting screws. Verify your frame shell width before ordering.

Item Type: Bike Bottom Bracket Material: Carbon Steel Spindle, Stainless Steel Bearings Color:Black Shell Width:68 mm(2.68 in) Thread Specification:BC 1.37" × 24 TPI Length Options:110mm(4.33in),118mm(4.65in),120mm(4.72in),122mm(4.80in),127mm(5.00in) Interface: Square

Package List: 1 x Bike Bottom Bracket 2 x Screw

Notes: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.