Park Tool BBT-47-16 Bottom Bracket Tool CheckoutTitle=Wheels Manufacturing T47 Inboard Bottom Bracket - DUB Spindle A steel notched spring retainer/collar

A steel notched spring retainer/collar should be used on all spring rates 550 lbs or greater

For installation/removal of notched cup BBs

7000 series aluminum provides strength and durability Ring Position/Type Inner Tooth Count 39 Drivetrain Speeds 11 Chainring BCD 130 Color Black Defined Color Black

50mm height reinforces carbon steerer tube beneath the stem

Track style pedals with hand assembled sealed bearing system and shimmed with ultra thin shims for perfect spin without play

Park Tool BBT-47-16 Bottom Bracket Tool CheckoutTitle=Wheels Manufacturing T47 Inboard Bottom Bracket - DUB Spindle A steel notched spring retainer/collarPark Tool bottom bracket tools for installation and removal of 16 notch bottom brackets. Model Bottom Bracket Tool BBT 47 16 Description Bottom Bracket Socket Color Blue