Bergamont E-Grandurance RD Expert

The "E-Grandurance RD Expert" model from Bergamont, released in 2022, is a versatile e-bike available at a price of 3,799 EUR. The frame is made from super-lightweight AL-6061 aluminium with an integrated Fazua battery and features 28-inch wheels. The maximum permissible weight is 130 kg, whilst the bike itself weighs 17 kg.

The braking system comprises Shimano GRX hydraulic disc brakes (BR-RX400) with SM-RT64 rotors measuring 160/160 mm. The brake levers are Shimano GRX ST-RX600 / BL-RX600. The derailleur is a Shimano GRX RD-RX812 Shadow Plus, operated by Shimano GRX ST-RX600 shift levers with a 1x11-speed drivetrain. The fork is a Grandurance aluminium model with a 12x100 mm axle and mudguard mounts.

Lighting is provided by a B&M IQ-XS front light with 70 lux and LED technology, as well as a Herrmans H-Trace Mini rear light, also featuring LED technology. The bike is supplied without pedals. The bottom bracket is a Fazua, combined with an FSA CK-746 crankset with 42 teeth and a Shimano SLX CS-M7000 cassette with 11–42 teeth. Power is transmitted via a KMC X11 chain.

The handlebars are Syncros Creston 2.0 with a 10° flare, whilst the grips are made from BGM Race Grip-Tape and are non-slip. The stem is a Syncros RR2.5 with an angle of +/- 6°. The headset is an Acros A-Headset, semi-integrated, with a 1.5" size and integrated cable routing.

The rims are BGM Allroad Disc with 28 spoke holes, fitted with Schwalbe G-One Allround tyres (35-622) and Sapim Leader spokes. The hubs are BGM Allroad, centre-lock, disc, with a 12x100 mm axle at the front and a 12x142 mm axle at the rear. The saddle is a Syncros FL2.5 and the seatpost is a Syncros M3.0.

The bike is also fitted with Racktime Wingee mudguards and a Racktime Grandurance luggage rack. The motor is a Fazua Evation 1.0 with an output of 250 W and a voltage of 36 V, enabling a maximum speed of 25 km/h. The battery is a Fazua 36 V Li-ion with a capacity of 252 Wh. The display is integrated into the top tube and the charger has an output of 2 A.

Overall, the Bergamont E-Grandurance RD Expert offers a balanced combination of performance, comfort and versatility, making it ideal for a variety of riding conditions and uses.