Beta 125-520 RR, 250 300 Xtrainer. 2017-2023 Beta 250 Xtrainer. 2015-2023 Beta 300 Xtrainer. BETA RR 250 300 350 390 400 430-520 2010-2019 AS3 RACING FOOT PEGS (11MM PIN HOLES). AS3 Performance Racing Series foot pegs are CNC machined from 6061 billet aluminium and feature 34 individual stainless steel teeth to keep the overall weight of the foot pegs to a minimum while maintaining a high level of grip and durability.