Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 29" -
Travel Front 100mm -
Fork Suntour RAIDON
-
Groupset SX Eagle, NX Eagle -
Suspension Hardtail -
Motor Bosch 250W 85Nm mid-drive -
Battery Bosch PowerTube 500 Wh (XS), 625 Wh (S, M, L, XL) -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
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, Rahmenkennung: 27.5": UBP038A, 29": TBP032A
Suspension Fork
SR Suntour Raidon 34 Boost LOR, Federweg: 100 mm, 1.5" tapered
Drivetrain
Rear Derailleur
SRAM SX Eagle, 1x12
Shift Levers
SRAM NX Eagle single click
Cassette
SRAM SX Eagle, CS PG-1210 Eagle, 11-50T
Crank
CENTURION R Pro II Gen4, mattschwarz/Alu gebürstet, Länge: 170 mm (XS, S), 175 mm (M, L, XL), CK-790
Chain
SRAM SX Eagle, CN SX Eagle-12, Kettenlänge: 29": 120 Links, 27.5": 118 Links
Chain Guide
CENTURION Trail R, passend für Bosch Performance Line CX Gen4
Pedals
VP-537
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 MD25, IW 25 mm, tubeless ready
Spokes
PROCRAFT stainless 2.0
Tires
Schwalbe Smart Sam, 29/27.5x2.25", Performance Line mit Reflex
Brakes
Brakes
Shimano Deore, BR-M6100, resin pad
Brake Levers
Shimano Deore, BL-M6100
Cockpit
Stem
PROCRAFT Comp II, Winkel: 7°, Länge: 80 mm
Handlebar
PROCRAFT Riser Pro, Durchmesser: 31.8 mm, Breite: 680 mm (XS), 720 mm (S, M, L, XL), Rise: 22 mm
Seat
Saddle
PROCRAFT Race
Seatpost
PROCRAFT Pro II, Durchmesser: 30.9 mm, Länge: 350 mm (XS, S, M), 400 mm (L, XL)
Motor & Battery
Motor
Bosch Performance Line CX, max. 85 Nm, 250 W
Battery
Bosch PowerTube 500 Wh (XS), 625 Wh (S, M, L, XL)
Charger
Bosch Standard Charger, 4 Ampere
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 3.886 mm | 4.105 mm | 4.308 mm | 4.49 mm |
| Stack | 641 mm | 661 mm | 681 mm | 701 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 |
| 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 |
Model Overview
Backfire Fit E R860i/R850i completes the Centurion E Backfire model. 36 e-bikes variations carry this model name so far. You can easily view all of the Centurion E Backfire e-bikes models from 2023, 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
If you want to purchase a solid Crosscountry e-bike, it is important to know that the average cost 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. To make sure you don’t pay a higher amount than normal for your e-bike, always do some components analysis and read reviews.
Overview of components
Fork
This e-bike has the Suntour RAIDON fork installed. The fork’s travel is 100mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. To sum up, when buying a bicycle, make sure you get a fork that is capable of delivering decent travel.
Wheels size
When it comes to wheels, the Backfire Fit E R860i/R850i e-bike is equipped with the 29″ aluminum model. These wheels are more forgiving when you go over roots, rocks, bumps, or other obstacles you encounter on your ride. However, 29″ wheels will make your e-bike react slower to obstacles you may encounter.
Brakes
When you want to stop the bike in time, the brakes are vital. The Backfire Fit E R860i/R850i has Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, these are ideal for anyone.
Sizes
There are 4 sizes available for this model. Rider height can be anywhere between 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, you can easily find one that suits you.