bottom bracket power spline 118x73mmThe Truvativ Powerspline Bottom Bracket 118x73mm is a robust and reliable bottom bracket designed for bikes equipped with the Power Spline crankset system. With a 118mm axle length and 73mm shell width , the bottom bracket provides stability , smooth rotation , and a secure fit for most MTB and trekking bike frames. Constructed from durable materials , it guarantees long life even in challenging terrain. Product features: Type: Power Spline Bottom