T47 TRAC Internal Color:Black 40 - 60 mm

40 - 60 mm

Distance lower mounting hole to bottle cage bottom: 24 mm

SPINDLE SIZE (mm)

310 (584) / 365 (622)

and well suited to the absorption of road buzz

T47 TRAC Internal Color:Black 40 - 60 mmTRAC stands for 'Twin Row Angular Contact', and this is exactly the type of bearing you'll find inside the shell of this T47 unit. Instead of a conventional, single row cartridge bearing, we decided to fit out our TRAC unit with bearing cartridges containing two rows of bearings, more evenly distributing the forces generated by the rider's weight, and when pedalling on rough surfaces. This system has huge benefits on bottom bracket longevity, and also