Praxis Works M30 T47 I.B Threaded Bottom Bracket Ryeka Sport Inc Have installed by a professional

Have installed by a professional bike mechanic

Dampen the impact transferred through the fork on smaller impacts

100% recycled polyester interlock

An extra stiff carbon-injected nylon shank transfers power efficiently when climbing or sprinting

Praxis Works M30 T47 I.B Threaded Bottom Bracket Ryeka Sport Inc Have installed by a professionalM30 T47 I. B (Internal Bearing) for installing our Praxis M30 Spindle based crank into a T47 I. B. road frame. For Praxis M30 road cranks being installed on a T47 I. B. frame Road 85. 5mm width frames T47 Internal Bearing 30mm Drive bearing 28mm NonDrive bearing Steel cartridge bearings Ceramic version is Grade 5 ABEC 5 rating Forged & machined heat treated AL Cups TOOL: Install Remove with either our M30 socket style or wrench style.