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The 2020 Centurion Backfire Fit E R850i is a high-quality e-bike that stands out for its well-thought-out features and solid build quality. Priced at 3,549 euros, it offers good value for money for anyone looking for a reliable and powerful e-bike. The bike’s frame is made of aluminium and is designated ‘Backfire Fit R intube’, indicating an integrated battery solution. The maximum permissible weight is 150 kg, whilst the bike itself weighs 21 kg.
Braking performance is provided by SHIMANO Deore brakes and brake levers, which are renowned for their reliability and durability. The gear system is a 12-speed SRAM SX Eagle system, with an SRAM NX Eagle single-click shifter. This enables precise and rapid gear changes, which is particularly advantageous on challenging terrain. The SR SUNTOUR RAIDON34 BOOST LOR fork, with 100 mm of travel, ensures a comfortable ride even on uneven surfaces.
Lighting is provided by a LEZYNE Mini STVZO E65 front light and a LEZYNE Femto STVZO rear light, which ensure safety when cycling in the dark. The VP-537 pedals and the CENTURION Pro II Gen4 crankset round off the drivetrain components. The bike is fitted with PROCRAFT Riser Pro handlebars and PROCRAFT Comfort Comp grips, which ensure comfortable handling. The stem is a PROCRAFT Comp II, whilst the headset is an FSA NO.55R 1.5.
The rims are PROCRAFT Altitude MD27, combined with SCHWALBE Smart Sam tyres in size 29/27.5x2.25", which ensure good grip and stability. The hubs are SHIMANO HB-MT400-B/SHIMANO FH-MT400-B, complemented by PROCRAFT stainless 2.0 spokes. The saddle is a PROCRAFT Race model, mounted on a PROCRAFT Pro II seatpost, which offers comfort and support whilst riding.
The bike is powered by a BOSCH Performance Line CX motor, supported by a BOSCH PowerTube battery with a capacity of 500 Wh (for XS) or 625 Wh (for S, M, L, XL). The BOSCH Intuvia display offers easy operation and a clear overview of key information such as speed and battery level. The seat tube length is 380 mm, the top tube length is 555 mm, the head tube angle is 68 degrees and the chainstay length is 445 mm, all of which contribute to the bike’s well-balanced geometry.
| Brakes | SHIMANO Deore |
| Brake levers | SHIMANO Deore |
| Frame | Aluminium Backfire Fit R intube |
| Drivetrain | SRAM SX Eagle |
| Shift levers | SRAM NX Eagle single click |
| Number of gears | 12 |
| Fork | SR SUNTOUR RAIDON34 BOOST LOR |
| Fork travel (mm) | 100 |
| Crankset | CENTURION Pro II Gen4 |
| Sprocket | SRAM SX Eagle |
| Drive | SRAM SX Eagle |
| Headset | FSA No. 55R 1.5 |
| Handlebar | PROCRAFT Riser Pro |
| Grips | PROCRAFT Comfort Comp |
| Stem | PROCRAFT Comp II |
| Saddle | PROCRAFT Race |
| Seatpost | PROCRAFT Pro II |
| Rims | PROCRAFT Altitude MD27 |
| Tires | SCHWALBE Smart Sam, 29/27.5x2.25"/SCHWALBE Smart Sam, 29/27.5x2.25" |
| Spokes | PROCRAFT stainless 2.0 |
| Pedals | VP-537 |
| Front light | LEZYNE Mini STVZO E65 |
| Rear light | LEZYNE Femto STVZO |
| Motor manufacturer / model | BOSCH Performance Line CX |
| Display | BOSCH Intuvia |
| Battery | BOSCH PowerTube 500 Wh (XS), 625 Wh (S, M, L, XL) |
| Battery capacity (Wh) | 500 |