Wolf Tooth Bottom Bracket - T47 Inboard 85.5/92mm For 29mm Spindle Raw Silver ModelNumber=E4662 They utilize e*thirteens M3 narrow-wide

They utilize e*thirteens M3 narrow-wide tooth profile which reduces weight and minimizes system wear and noise without sacrificing chain retention

HOLLOWTECH II hollow-forged crank maximizes power transfer while limiting weight

Updated design with more room for larger 2

Mid-size dimensions and a neutral shape ensure that the Speed works for a wide range of riders

Exceptional adhesive and cohesive properties allowing for longer service intervals

Wolf Tooth Bottom Bracket - T47 Inboard 85.5/92mm For 29mm Spindle Raw Silver ModelNumber=E4662 They utilize e*thirteens M3 narrow-wideCustom engineered by Wolf Tooth to be durable, reliable, lightweight, and smooth Weather sealing was a main focus with o ring seals on the spindle and inner shell, a wiper connection seal between the bearing and the end cap, bearing race seals, and labyrinth end cap design To prevent creaking, spindle bushings separate the bearing inner race and crank spindle to eliminate metal on metal contact Custom chrome bearings are hardened for durability and