The slots - mirrored on Extreme's website - will run through until the end of April and can be seen by UK viewers only. The London-based cable channel is billed as "the only 24-7 channel bringing you skate, surf, snow and bike action and attitude direct to your TV in over 50 countries around the world."
The MTB Zone can be seen at 2.30-3pm and 8-9pm daily.
Scott's sponsorship package comprises on-air sponsorship billboards, bike-winning comps and web-based promotions.
"The channels tightly targeted audience in the UK makes it one of the most efficient and pure marketing environments for affluent 1634 year old men, beating most other sport and music channels," said Zoë Curbishley, Extreme's PR co-ordinator.
"It has the second-highest concentration of ABC1 men viewers of any UK channel."