centurion Backfire Fit E R811i EQ 2021
Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame Aluminum
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Wheels 29"
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Travel Front 100mm
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Fork Suntour RAIDON
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Groupset SX Eagle
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Suspension Hardtail
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Motor Bosch 250W 85Nm mid-drive
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Battery BOSCH PowerTube 625 Wh + PowerPack 500 Wh
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Drivetrain 1 × 12
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Brakes Hydraulic Disc
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Backfire Fit R intube, Material: Aluminium, Steuerrohr: 1.5" straight, Ausfallende: 12x148 mm, Bremsaufnahme: Postmount 180 mm
Suspension Fork
SR SUNTOUR RAIDON34 BOOST LOR, Federweg: 100 mm, 1.5" tapered
Drivetrain
Rear Derailleur
SRAM SX Eagle, 1x12
Shift Levers
SRAM SX Eagle single click
Cassette
SRAM SX Eagle, CS PG-1210 Eagle, 11-50T
Crank
CENTURION Pro Gen4, mattschwarz/Alu gebürstet, Länge: 170 mm [XS, S], 175 mm [M, L, XL]
Chain
SRAM SX Eagle, CN SX Eagle-12
Chain Guide
CENTURION Trail R, passend für BOSCH Performance Line CX Gen4
Pedals
VP-993
Wheels
Front Hub
SHIMANO HB-MT400-B / SHIMANO FH-MT400-B, 15x110 mm, 32H, 12x148 mm, 32H
Rear Hub
SHIMANO HB-MT400-B / SHIMANO FH-MT400-B, 15x110 mm, 32H, 12x148 mm, 32H
Rims
PROCRAFT Altitude MD27, IW27, tubeless ready
Spokes
PROCRAFT stainless 2.0
Tires
SCHWALBE Smart Sam 27.5/29x2.25", Performance Line mit Reflex
Brakes
Brakes
SHIMANO Deore, BR-M6100, resin pad
Brake Levers
SHIMANO Deore, BL-M6100
Cockpit
Stem
PROCRAFT Comp II, 7°
Handlebar
PROCRAFT Riser Pro, dia: 31.8 mm, 680 mm [XS], 720 mm [S, M, L, XL], rise: 22 mm
Seat
Saddle
PROCRAFT Race
Seatpost
PROCRAFT Pro II, dia: 30.9 mm * 350 mm [XS, S, M], 400 mm [L, XL]
Motor & Battery
Motor
BOSCH Performance Line CX Gen4, 85 Nm, 250 W
Battery
BOSCH PowerTube 625 Wh + PowerPack 500 Wh
Charger
BOSCH Standard Charger, 4 Ampere
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.66 mm | 1.63 mm | 1.6 mm | 1.57 mm |
| Bottom Bracket Height | 306 mm | 306 mm | 306 mm | 306 mm |
| Front Center | 654 mm | 677 mm | 701 mm | 725 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 91 mm | 89 mm | 88 mm | 86 mm |
| Stack | 641 mm | 661 mm | 681 mm | 701 mm |
| Reach | 386 mm | 406 mm | 426 mm | 446 mm |
| Top Tube Length | 577 mm | 603 mm | 629 mm | 655 mm |
| Seat Tube Angle | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 430 mm | 480 mm | 530 mm | 580 mm |
| Head Tube Angle | 69.75 ° | 70 ° | 70.25 ° | 70.5 ° |
| Head Tube Length | 110 mm | 130 mm | 150 mm | 170 mm |
| Chainstay Length | 456 mm | 456 mm | 456 mm | 456 mm |
| Wheelbase | 1101 mm | 1125 mm | 1149 mm | 1173 mm |
| Bottom Bracket Drop | 68 mm | 68 mm | 68 mm | 68 mm |
| Wheels | 29" | 29" | 29" | 29" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Backfire Fit E R811i EQ is a Centurion E Backfire model. Centurion launched 36 e-bikes of this model so far. Take a sneak peek at all Centurion E Backfire e-bikes models from 2021, by clicking here.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Crosscountry e-bikes
If you want an acceptable Crosscountry e-bike you should know that the average price is 2453$. However, this doesn’t mean that if you spend less money on a Crosscountry e-bike, you couldn’t get a decent one. In conclusion, always check e-bike reviews and their components before making a purchase to make sure you don’t overpay.
Average weight for Crosscountry e-bikes
Crosscountry e-bikes have an average weight of 23.21 kg (51.17 lbs). A lighter bike will give you some extra advantage when climbing. A heavier bike will have more speed for descents.
considerably heavier than average, Backfire Fit E R811i EQ has a weight of 26.4 kg (58.2 lbs). To sum up, it’s 13.74% heavier than the average weight of Crosscountry e-bikes.
Overview of components
Fork
Centurion Backfire Fit E R811i EQ 2021 e-bike is equipped with the Suntour RAIDON fork, and has 100mm travel. Bike forks are great for shock absorption and provide you with a smooth ride. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels
As for the wheels, Centurion Backfire Fit E R811i EQ 2021, has a 29″ aluminum model. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.
Brakes
Stopping the bike when needed, it’s essential for your safety. This e-bike has Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, these are ideal for anyone.
Sizes
Centurion Backfire Fit E R811i EQ e-bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, it won’t take much to find one that’s right for you.
