The nine 50the nine 50 is built from hydroformed double butted 6061 aluminum and with shimanos deore hollowtech 3x10 no mountain is too long or steep with these options the front suspension is rockshoxs xc30 with shimanos m355 hydraulic disc brakes keeping you in control as you rip your way down the hill shimano xtdeore drivetrainthe shimano xtdeore drivetrain is the perfect combination of performance and durability with the xt shadow plus rear derailleur to cancel out the chain slap an