The B'twin Ultra 920 AF is an aluminium framed mile muncher with a brilliant spec and staggering value for money. Avec le 920 Ultra AF, Btwin réussi un cadre aluminium avec un rapport prix/équipement excellemment bien placé !
Our new B'Twin Ultra Vario fork is mounted exclusively on the B'Twin Ultra Evo Vario frame. The combination of carbon and aluminium is the ideal choice for perfect synergy between the B'Twin Ultra Evo Vario frame and fork.. Enhanced by feedback from the French Btwin-sponsored development squad, the Ultra 920 is unashamedly pitched at the racer in all of