Gineyea Bike Bottom Bracket 116 118 120 122.5 127.5 mm Crank Axis Quare Hole MTB Bicycle Parts BB FOR Square Tapered Spindle

Brand: Gineyea
CNC machining of all aluminum alloy
Taiwan bearing
The bearing surfaces at both ends are equipped with waterproof oil seals for better waterproof and dustproof effect

（High quality,OEM manufacture supplier for Giant, Merida）

Bottom Bracket Specifications:
★BB30 frame specification: frame bottom bracket size length 68-73mm-width*42mm (inner diameter)
★PF30 frame specifications: frame bottom bracket size length 68-73mm-width*46mm (inner diameter)
★BB92frame specifications：frame bottom bracket size length 86-92mm-width*41mm (inner diameter)
★BB79frame specifications：frame bottom bracket size length 79-83mm-width*46mm (inner diameter)

Crankset Specifications:

★Shimano tooth disc crank specification: 24-24mm
★SRAM tooth disc crank specification: 24-22mm
★BB30 tooth disc currently only supports PF30 frame BB

Precautions for purchase：

Before purchasing, you need to determine the inner diameter and diameter specifications of your bottom bracket.

1.BB shell inner diameter, usually 41mm 42mm 46mm

2.BB length, 68-92mm79-83mm and 86-92mm etc.

3. diameter of crankset spindle: Shimano 24-24mm, Sram 22-24mm, FS---A 19-19mm, other 30mm.

Whether to add washers is selected according to the length of the tooth disc and the frame.(Each bottom bracket has 3 sparegaskets (1mm, 2mm and 3mm thick respectively)

Before purchasing, you need to determine the inner diameter and diameter specifications of your frame five-way BB.
It is generally divided into 46mm '42mm' 41mm 'with a width of 68-73mm 79-83mm and 86-92mm, depending on the length of the tootheddisc and the frame. (each set of central shaft needs 3 spare washers, with 1, 2 and 3mm). Then select the corresponding bb30 orPF30 according to your frame to convert to Shimano or SRAM, or FSA.