Bergamont E-Revox 4 EQ

The "E-Revox 4 EQ" model from Bergamont, released in 2021, is a high-quality e-bike available at a price of 2,799 EUR. It features a 29-inch frame made from ultra-lightweight AL-6061 tubing and an integrated PowerPack battery. The maximum permissible weight is 135 kg, whilst the bike itself weighs 24 kg.

The E-Revox 4 EQ is fitted with Shimano BR-MT200 hydraulic disc brakes with 180 mm SM-RT10 rotors at the front and rear. The brake levers are also by Shimano, model BL-MT200. The bike is fitted with a Shimano Deore derailleur, the RD-M4120 Shadow, and has 10 gears. The shift levers are Shimano Deore SL-M4100, 1x10-speed, Rapidfire Plus shift levers.

The E-Revox 4 EQ’s fork is a Suntour NVX30 with 100 mm of travel and adjustable rebound damping. Lighting is provided by a Herrmans H-Black MR4 LED front light and a Herrmans H-Trace Mini LED rear light. The bike is supplied without pedals.

The bottom bracket is a Bosch model with an ISIS mount, and the crankset is an FSA CK-200 with 34 teeth and a length of 170 mm. The cassette is a Shimano Deore CS-M4100 with a range of 11–46 teeth. Power is transmitted via a KMC e10S chain.

The handlebars are Syncros 3.0 riser handlebars with a height of 15 mm and a width of 740 mm (720 mm for size S). The grips are also by Syncros, model MTB. The stem is a Syncros 3.0 with an angle of +/-6 degrees. The headset is a semi-integrated FSA NO.57SC-1 A-Headset, Tapered.

The rims are Ryde Rival 23 Disc, eyeleted, with a width of 23 mm. The tyres are Schwalbe Smart Sam Performance Line in size 29x2.10 inches. The hubs are by Shimano: a Centre Lock disc hub with a quick-release mechanism at the front and a BGM Pro Centre Lock disc hub with a 12x148 mm axle at the rear. The spokes are Sapim Leader.

The saddle is a Syncros M3.0, as is the seatpost. The bike is fitted with Racktime Wingee mudguards, an Atran kickstand and a New Racktime / BGM Carrier luggage rack.

The motor in the E-Revox 4 EQ is a third-generation Bosch Drive Unit Performance Line Cruise with 250 W power, 36 V voltage and maximum assistance up to a speed of 25 km/h. The battery is a Bosch 36 V Li-Ion PowerPack with a capacity of 500 Wh, which is concealed within the frame. The display is a Bosch Purion.

The bike’s geometry comprises a reach of 393 mm, a stack of 619 mm, a seat tube length of 420 mm and a top tube length of 582 mm. The head tube angle is 69 degrees, the seat tube angle 73 degrees and the head tube length 120 mm. The chainstay length is 480 mm, the bottom bracket drop is 69 mm, the fork offset is 45 mm, the standover height is 748 mm, the fork installation height is 485 mm and the wheelbase measures 1122 mm in total.