Park Tool BBT-69.4 Bottom Bracket and Lockring Tool - 16 Notch MFPN=11.7018.082.004 15% improvement in axle stiffness

15% improvement in axle stiffness due to new design placing the bearings further apart

Custom drawn 7000 series alloy provides highest strength to weight of all Chromag bars

Bondcush is layered mid-padding polymer foam that aids the absorbption of road buzz

}G-Form E-Line Knee Guard - Storm Small

Height adjusts from 195-225mm

Park Tool BBT-69.4 Bottom Bracket and Lockring Tool - 16 Notch MFPN=11.7018.082.004 15% improvement in axle stiffnessPark Tool bottom bracket tools for installation and removal of 16 notch bottom brackets. Model Bottom Bracket and Lockring Tool BBT 69. 4 Description Bottom Bracket and Lockring Tool Color Blue