Extralite UltraFront SX stems the reverse side has a

the reverse side has a subtle lip to prevent slip-off

This allows you to customise brightness for your application - 24hr racing or the urban commute and progamming is quick and simple and can be easily reset to factory settings

riding or just crusing around

With the Europeans taking on to the 29er craze a little bit later than the rest of the world

Extralite UltraFront SX stems the reverse side has aWeighing in at a remarkable 49grams. The flanges have been specially heat treated to cope with the higher tensions of radially laced spokes. Self aligning spoke holes allow even and consistent tension throughout the wheel. Comes fitted standard with two 6801 2RS ABEC5 Bearings. Also available with the ZeroH F Hybrid ceramic upgrade. The unique micro tuner gets the bearing preload exact ensuring silky smooth action. The hub body is hard anodized and