This Sakae Ringyo FX bottom bracket came supplied with some full Suntour XCD groupsets we have and are the correct size for the XCD triple MTB crank. British thread and with a 123 mm long JIS axle rolling on high quality bearings and races this is a quality bit of kit from the late 80s and early 90s.
- Model: FX
- 123 mm long JIS taper axle for triple cranks
- British (BSC) thread
- Made in Japan