Bottom Bracket Unit - IRD QB55, Sealed Cartirdge Bearing, JIS, Steel English Cups,

Article number:	P-55396
Availability:	Out of stock

Steel cups and aluminum sleeve 

English Threads 

JIS square taper CrMo spindle 

Sealed cartridge bearings

Average weight: 245g

Made in Japan

NOTE: This bottom bracket is compatible with IRD Italian/French conversion cups. They can be found here.