Cube Reaction Hybrid SL 750 29 black´n´metal

The "Reaction Hybrid SL 750 29 black’n’metal" model from Cube, released in 2022, is a high-quality e-mountain bike designed for discerning riders. Priced at EUR 3,799, it offers a host of technical refinements and robust features.

The bike’s frame is made from Superlite aluminium and features Gravity Casting, Agile Ride Geometry and a 1.5 headtube. Thanks to Boost 148 and the fully integrated battery, the frame delivers stable and balanced riding dynamics. The internal cable routing ensures a clean look and protects the cables from external influences. The frame is also fitted with mounting points for a kickstand, mudguards and a luggage rack, which enhances the bike’s versatility.

Braking performance is provided by Shimano BR-MT420 hydraulic disc brakes, with 203 mm brake discs at the front and rear. This ensures reliable braking power in all conditions. The derailleur is a Shimano XT RD-M8100-SGS, ShadowPlus, 12-speed system, which enables precise and rapid gear changes. The shift levers are Shimano Deore SL-M6100-IR, which feature direct mounting and Rapidfire Plus technology.

The Fox 34 Float AWL fork, with 120 mm of travel and a RAIL damper, offers excellent shock absorption and is specifically optimised for e-bikes. The fork has a tapered steerer tube and a 15x110 mm thru-axle, which provides additional stability.

The bike is fitted with CUBE PP MTB pedals and features an ACID E-Crank crankset with a length of 175 mm and a 38-tooth chainring. The cassette is a Shimano Deore CS-M6100 with a range of 10–51T, offering a wide variety of gear ratios. The drivetrain is completed by a Shimano CN-M6100 chain.

The handlebars are CUBE Rise Trail Bars, 720 mm wide, paired with ACID React Pro grips for optimum grip. The stem is a CUBE Performance Stem E-MTB with a diameter of 31.8 mm. The headset is an ACROS AZF-1034 with integrated cable routing, which makes maintenance easier and improves the bike’s appearance.

The rims are CUBE EX30, 32H, disc, tubeless-ready, offering the option to switch to tubeless tyres. The tyres are Schwalbe Smart Sam, Active, Kevlar, with a width of 2.6 inches, which provide good grip and puncture protection. The front hub is a Shimano HB-MT400-B with a 15 mm thru-axle and Boost standard, whilst the rear hub is a Shimano FH-MT410-B with a 12 mm thru-axle and also 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 in place using a CUBE Screwlock Semi-Integrated clamp with a hidden tool and a diameter of 36 mm.

The bike is powered by a Bosch Drive Unit Performance CX Generation 4 motor with 85 Nm of torque and an output of 250 watts in Smart System mode. The battery is a Bosch PowerTube 750, which ensures a long range. The display is a Bosch Kiox 300, which provides a wealth of information. A Bosch 4A charger is used for recharging.

Overall, the “Reaction Hybrid SL 750 29 black’n’metal” offers a well-balanced combination of performance, comfort and versatility, ideal for challenging off-road rides.