FLYER Upstreet SL 3.10

The 2024 Upstreet SL 3.10 model from FLYER is a versatile e-bike that is characterised by its high-quality components and well thought-out features. With a price tag of EUR 4199, it offers a solid combination of performance and comfort. The frame is made of aluminium, which reduces the total weight of the bike to 18 kg and at the same time allows a permissible total weight of up to 130 kg. This model is designed for people between 175 cm and 185 cm tall.

The braking system consists of Tektro T280 components, which are equipped with flat mount brakes and Tektro TR180-35 CL brake discs at the front (180 mm) and TR160-35 CL at the rear (160 mm) on both the front and rear axle. Shifting is provided by the Shimano SL-U4010 CUES shifter with 9 gears, supplemented by a Shimano CS-LG400 sprocket with a range of 11-46t. The chain is moved by a Shimano CN-LG500 drivetrain, while the crankset comes from Samox EC40.

The bike has a rigid FLYER fork and is equipped with a FLYER ONE Carbon Cockpit SL handlebar, which offers a width of 700 mm and a backsweep of 9 degrees. The DT Swiss G540 rims, combined with Vittoria Terreno Zero Classic Skin tyres, ensure a reliable and comfortable ride. The hubs are from Formula, with the CL-712 model at the front and the RXC-142A model at the rear.

The saddle is a Selle Royal Vivo, mounted on a FLYER Alloy seatpost. Additional functionality is provided by Curana mudguards, a Hebie IC kickstand and a FLYER Steel pannier rack. Lighting is provided by the FLYER ONE HL-2 front light and a Lezyne Fender rear light.

The Upstreet SL 3.10 is powered by a Bosch Smart System Performance Line SX motor, supported by a Bosch CompactTube 400 battery with a capacity of 400 Wh. The system is controlled via a Bosch System Controller display and can be charged with the Bosch Standard Charger 4A if required.

The equipment is rounded off by an integrated lock, which includes both a battery lock and the option of using the Bosch eBike Lock via app. With a well thought-out geometry, including a head tube angle of 70 degrees and a seat tube angle of 74 degrees, the bike offers a balanced riding position. The Upstreet SL 3.10 is an excellent choice for riders who value quality and performance.