borealis FLUME EAGLE CUSTOM BUILD 2023
Bike details
Key information split into simple groups.
Bike summary
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-
Frame Aluminum
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Wheels 26"
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Groupset NX
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Suspension Rigid
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Brakes Mechanical Disc
Recommended size guide.
SM
157cm - 167cm
MD
165cm - 177cm
LG
175cm - 188cm
XL
185cm - 195cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Borealis Flume Alloy
Suspension Fork
Borealis Carbon Rigid Fork
Drivetrain
Rear Derailleur
RD ENX 1 x 12
Shift Levers
SRAM Eagle NX
Cassette
PG 1230 11-50
Crank
SRAM Eagle NX
Bottom Bracket
SRAM DUB 100mm
Chain
KMC X12
Wheels
Front Hub
Borealis: Front 15×150 Rear 12×197
Rear Hub
Borealis: Front 15×150 Rear 12×197
Rims
26" or 27.5" Sun Ringle Mulefut V2
Spokes
Borealis Straight Gauge
Tires
Your Choice
Brakes
Brakes
SRAM - Select
Cockpit
Stem
Borealis 50mm or 70mm
Handlebar
RaceFace Next SL Carbon 740x10mm OR Borealis Carbon (based on supply)
Grips
Borealis
Headset
FSA
Seat
Saddle
Borealis
Seatpost
RaceFace Next SL Carbon 31.6
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.47 mm | 1.45 mm | 1.43 mm | 1.42 mm |
| Bottom Bracket Height | 283 mm | 283 mm | 283 mm | 283 mm |
| Stack | 595 mm | 609 mm | 623 mm | 637 mm |
| Reach | 405 mm | 421 mm | 436 mm | 449 mm |
| Top Tube Length | 583 mm | 608 mm | 628 mm | 648 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 381 mm | 432 mm | 484 mm | 534 mm |
| Head Tube Angle | 70 ° | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 105 mm | 120 mm | 135 mm | 150 mm |
| Chainstay Length | 453 mm | 453 mm | 453 mm | 453 mm |
| Bottom Bracket Drop | 60 mm | 60 mm | 60 mm | 60 mm |
| Wheels | 26" | 26" | 26" | 26" |
| Rider Min Height | 157 cm | 165 cm | 175 cm | 185 cm |
| Rider Max Height | 167 cm | 177 cm | 188 cm | 195 cm |
About this model
FLUME EAGLE CUSTOM BUILD belongs to the Borealis Flume model. 8 bikes variations carry this model name so far. You can easily view all of the Borealis Flume bikes models from 2023, here.
Model range prices
Borealis FLUME EAGLE CUSTOM BUILD 2023 is the cheapest bike model and costs 1499$. Borealis Flume Elite 2023 is the most expensive one and costs 2949$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Fatbike bikes
Our math shows that the average cost of a dependable Fatbike bike is 1743$. However, even though the average price of a Fatbike bike is lower, you might still be able to get a top-quality bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
This bike was released in 2023 and its price was 1499$. If we compare this with the average Fatbike bike cost we notice that the price is 16.28% lower.
FLUME EAGLE CUSTOM BUILD components
Fork material
The fork on this bike is made out of carbon, so, it’s a great addition to the bike’s value. However, carbon forks should be regularly inspected for damage because even the smallest crack could cause the fork to fall apart.
Wheels
When leaving the production line, the FLUME EAGLE CUSTOM BUILD model has 26″ aluminum wheels. The 26″ wheels are lighter than the 27.5 or 29″ wheels. However, they provide less traction than 29″ wheels do.
Brakes
When you want to stop the bike in time, the brakes are vital. The FLUME EAGLE CUSTOM BUILD has Mechanical Disc brakes. These brakes are also very popular, and a lot cheaper than hydraulic disk brakes. However, performance-wise there is room for improvement.
Sizes
Borealis FLUME EAGLE CUSTOM BUILD bike has 4 sizes, in the range of 157 cm – 195 cm (5.15 ft – 6.4 ft). In conclusion, you won’t have a problem finding one that suits you.
