centurion Backfire Fit E R850i 2021
2021 E-bike
Weight | 21.3 kg
E-bike
Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" -
Travel Front 100mm -
Fork Suntour RAIDON
-
Groupset SX Eagle -
Suspension Hardtail -
Motor Bosch 250W 85Nm mid-drive -
Battery BOSCH PowerTube 500 Wh -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
XS
156cm - 166cm
SM
163cm - 174cm
MD
171cm - 182cm
LG
179cm - 189cm
XL
185cm - 195cm
Parts list
Components
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 500 Wh
Charger
BOSCH Standard Charger, 4 Ampere
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | XS | SM | MD | LG | XL |
|---|---|---|---|---|---|
| Stack Reach Ratio | 1.69 mm | 1.66 mm | 1.63 mm | 1.6 mm | 1.57 mm |
| Bottom Bracket Height | 305 mm | 306 mm | 306 mm | 306 mm | 306 mm |
| Front Center | 646 mm | 654 mm | 677 mm | 701 mm | 725 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 93 mm | 91 mm | 89 mm | 88 mm | 86 mm |
| Stack | 621 mm | 642 mm | 662 mm | 682 mm | 702 mm |
| Reach | 367 mm | 387 mm | 407 mm | 427 mm | 447 mm |
| Top Tube Length | 552 mm | 578 mm | 604 mm | 630 mm | 656 mm |
| Seat Tube Angle | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 380 mm | 430 mm | 480 mm | 530 mm | 580 mm |
| Head Tube Angle | 68.5 ° | 69.75 ° | 70 ° | 70.25 ° | 70.5 ° |
| Head Tube Length | 130 mm | 110 mm | 130 mm | 150 mm | 170 mm |
| Chainstay Length | 442 mm | 457 mm | 457 mm | 457 mm | 457 mm |
| Wheelbase | 1083 mm | 1102 mm | 1126 mm | 1150 mm | 1174 mm |
| Bottom Bracket Drop | 50 mm | 68 mm | 68 mm | 68 mm | 68 mm |
| Wheels | 27" | 29" | 29" | 29" | 29" |
| Rider Min Height | 156 cm | 163 cm | 171 cm | 179 cm | 185 cm |
| Rider Max Height | 166 cm | 174 cm | 182 cm | 189 cm | 195 cm |
Model Overview
Backfire Fit E R850i belongs to the Centurion E Backfire model. Centurion released 36 e-bikes variations of this model so far. Take a sneak peek at all Centurion E Backfire e-bikes models from 2021, by clicking here.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Crosscountry e-bikes average price
Our math shows that the average cost of a dependable Crosscountry e-bike is 2453$. However, you could also get a good Crosscountry e-bike even if you pay a lower amount than the average price. To make sure you don’t pay a higher amount than normal for your e-bike, always do some components analysis and read reviews.
Crosscountry e-bikes average weight
Crosscountry e-bikes weigh an average of 23.21 kg (51.17 lbs). Having an easier bike than average will give you a great advantage on climbs. However, a heavier bike will gain more speed on descends.
a bit lighter than average, Backfire Fit E R850i has a weight of 21.3 kg (46.96 lbs). In other words, this model is 8.97% lighter than the average Crosscountry e-bike.
Overview of components
Fork
The Suntour RAIDON is included from the factory. It has a travel distance of 100mm. Bike forks are great for shock absorption and provide you with a smooth ride. In short, you should always ensure you have a good fork when purchasing a bike.
Wheels size
The Backfire Fit E R850i 2021 e-bike is equipped with 27.5″ aluminum wheels when leaving the factory. The 27.5″ wheels are a great choice for smaller riders. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
Nothing is more important on a bike than its ability to brake properly. Centurion Backfire Fit E R850i is equipped with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, you can ride your bike with confidence.
Sizes
Centurion Backfire Fit E R850i e-bike has 5 sizes, in the range of 156 cm – 195 cm (5.12 ft – 6.4 ft). In short, you can easily find one that suits you.