- Couronnes bi-matériaux
- intérieure ultra-légère en aluminium de haute qualité 7075 T65A
- extèrieur en acier durci
- soumis aux tests d'endurance et approuvées par des Teams Européennes
- BETA RR 250 2T ENDURO 2013
- BETA RR 250 2T ENDURO 2014
- BETA RR 250 2T ENDURO 2015
- BETA RR 250 2T ENDURO 2016
- BETA RR 250 2T ENDURO 2017
- BETA RR 250 2T ENDURO 2018
- BETA RR 250 2T ENDURO 2019
- BETA RR 300 2T ENDURO 2013
- BETA RR 300 2T ENDURO 2014
- BETA RR 300 2T ENDURO 2015
- BETA RR 300 2T ENDURO 2016
- BETA RR 300 2T ENDURO 2017
- BETA RR 300 2T ENDURO 2018
- BETA RR 300 2T ENDURO 2019
- BETA RR 350 4T ENDURO 2011
- BETA RR 350 4T ENDURO 2012
- BETA RR 350 4T ENDURO 2013
- BETA RR 350 4T ENDURO 2014
- BETA RR 350 4T ENDURO 2015
- BETA RR 350 4T ENDURO 2016
- BETA RR 350 4T ENDURO 2017
- BETA RR 350 4T ENDURO 2018
- BETA RR 350 4T ENDURO 2019
- BETA RR 390 4T ENDURO 2015
- BETA RR 390 4T ENDURO 2016
- BETA RR 390 4T ENDURO 2017
- BETA RR 390 4T ENDURO 2018
- BETA RR 390 4T ENDURO 2019
- BETA RR 430 4T ENDURO 2015
- BETA RR 430 4T ENDURO 2016
- BETA RR 430 4T ENDURO 2017
- BETA RR 430 4T ENDURO 2018
- BETA RR 430 4T ENDURO 2019
- BETA RR 480 4T ENDURO 2015
- BETA RR 480 4T ENDURO 2016
- BETA RR 480 4T ENDURO 2017
- BETA RR 480 4T ENDURO 2018
- BETA RR 480 4T ENDURO 2019
- BETA RR 250 2T 2020
- BETA RR 390 4T 2020
- BETA RR 430 4T 2020
- BETA RR 480 4T 2020