Cube Stereo Hybrid 120 Pro 500 petrol´n´blue

The “Stereo Hybrid 120 Pro 500 petrol’n’blue” model from Cube, released in 2021, is a high-quality e-mountain bike designed for a wide range of uses. Priced at 3349 EUR, it offers a combination of powerful technology and well-thought-out design.

The bike’s frame is made from Superlite aluminium and utilises Gravity Casting Technology. It is equipped with Efficient Comfort Control and the FSP 4-Link System, ensuring comfortable and efficient suspension. The frame’s Agile Comfort Geometry enables agile and comfortable handling. The frame supports Boost 148 and features a fully integrated battery as well as mounting points for a kickstand, mudguards and a luggage rack. The bike’s total weight is 24 kg.

The brakes are Shimano hydraulic disc brakes, model BR-MT420/MT400, with a disc size of 203 mm at the front and 180 mm at the rear. The drivetrain is a SRAM SX Eagle™ 12-speed system, operated by a SRAM SX Eagle™ trigger shifter, which was specially developed for e-bikes and allows only one click per gear change.

The suspension fork is a RockShox Recon Air RL with a tapered steerer tube and a 15x110 mm thru-axle, which is specifically approved for e-mountain bikes and offers 120 mm of travel. The rear shock is a RockShox Deluxe Select with rebound adjustment and a trunnion mount, ensuring precise suspension tuning.

The bike is fitted with CUBE PP MTB pedals and an ACID E-Crank crankset with 38 teeth and a length of 170 mm. The cassette is a Sram PG-1210 Eagle™ with a range of 11–50 teeth. The drivetrain also features SRAM SX Eagle™ components.

The handlebars are Newmen Evolution SL 318.25 with a width of 760 mm, whilst the Natural Fit All Terrain grips ensure a secure grip. The stem is a CUBE Performance Stem E-MTB with a diameter of 31.8 mm. The headset varies depending on wheel size: the ACROS AZX-1032 for 27.5-inch wheels and the ACROS AZX-1030 for 29-inch wheels, both featuring a zero-stack design.

The rims are CUBE EX30 with 32 spokes, disc brake-compatible and tubeless-ready. The tyres are Schwalbe Smart Sam in size 2.60, which provide good grip on a variety of surfaces. The hubs are by Shimano: at the front, the HB-MT400-B model with a 15 mm thru-axle and Boost standard; at the rear, the FH-MT400-B model with a 12 mm thru-axle and Boost standard.

The saddle is a Natural Fit Sequence, mounted on a CUBE Performance seatpost with a diameter of 30.9 mm. The saddle is clamped using a CUBE Varioclose Semi-Integrated clamp with a diameter of 34.9 mm.

The motor is from Bosch and is the Drive Unit Performance CX Generation 4 (85Nm) Cruise model with an output of 250 watts. The battery is a Bosch PowerTube 500, and the display is the Bosch Purion, which allows for easy operation whilst riding.

Overall, the Cube Stereo Hybrid 120 Pro 500 petrol’n’blue is a well-designed e-mountain bike that stands out thanks to its high-quality components and powerful Bosch drive.