Велосипедный внутренний подшипник, универсальный конусный Нижний Кронштейн, профессиональное квадратное отверстие, прочные портативные велосипедные аксессуары, рукоятка шпинделя

Features:
Durable Quality: Made of alloy material, the bottom bracket is solid and robust and lasts a long service life.
Large Design: The steel housing can accommodate roundness tolerances for the installation of the connectors of the lower bracket.
High Performance: Built-in system can protect the frame, more performance, better than ordinary structure bottom bracket, a must have bicycle accessories.
Easy To Use: Suitable for 68 mm frame shell. For safety, use the BB tool to install and replace the bottom bracket.
Double Structur: To prevent water from entering the frame and as a buffer between the frame and BB.
Specifications:
Item type: bicycle inner bearing
Material: metal
Color: black
Cup thread size and slope: about 34.798 mm
Size: about 68 x 118mm, 68 x 120mm, 68 x 122.5mm, 68 x 124.5mm, 68 x 127.5mm
Suitable for: 68mm frame shell
Package includes:
1pc x bicycle inner bearing
2pcs x screws
Notes:
Transition: 1cm=10mm=0.39inch
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3cm measuring deviation due to manual measurement.