2023

BOREALIS Flume Ultimate

Mountain · Fat Bike · Unisex
Frame material Aluminum
Groupset GX
Weight 14.97 kg
Wheel size 26
Wheel material Aluminum
Drivetrain 1 X 12
Chain Sram Eagle Gx
Tires Maxxis Minion Fbf/Fbr...
Brake type Hydraulic Disc
See all specifications ↓
RRP
€2,222 incl. taxes
Observed price — New
€1,620 incl. taxes
Refurbished price
€980 incl. taxes
Likely trade-in value
1 234 €
borealis Flume Ultimate

About this bike

The Borealis Flume Ultimate 2023 is a mountain bike in the fat bike segment. Built around an aluminium frame.

Expect to pay €1,620 for a new Borealis Flume Ultimate, against an official RRP of €2,222. Used or refurbished units land closer to €980, depending on condition.

Browse the live offers below or jump to the similar bikes section to compare the Borealis Flume Ultimate with its closest rivals.

Specifications

CategoryMountain
SubcategoryFat Bike
Year2023
FrameFlume (Aluminum)
Frame materialAluminum
ForkRockShox Bluto RL 100mm
Weight14.97 kg
SuspensionHardtail
TravelNULL
Colors XXXXXXXX
Sizes XXXXXXXX

Components

Groupset GX
Drivetrain 1 X 12
Rear derailleur SRAM Eagle GX 12-Speed
Cassette SRAM XG-1275 10-52T
Chain SRAM EAGLE GX
Crank SRAM Eagle GX Alloy 175mm w/ SRAM X-SYNC 30T
Bottom bracket SRAM DUB Threaded 100mm
Brake type Hydraulic Disc
Brakes SRAM G2 RS 4-Piston Hyrdraulic with SRAM Centerline 180,160mm Rotors
Handlebar RaceFace NEXT SL 740x10mm OR Borealis Carbon (based on supply)
Stem Borealis 50mm x 35mm
Grips Borealis
Saddle Borealis
Seatpost KS Lev Integra w/ Southpaw Lever 125mm (SM, MD) or 150mm (LG, XL) travel

Wheels & Tires

Wheel size 26
Wheel material Aluminum
Rims Sun Ringle Mulefut V2 27.5x65
Spokes Borealis Straight Gauge
Tires Maxxis Minion FBF/FBR 27.5x3.8
Tire width 3.8"

Brand Market Footprint

The brand market footprint dashboard is part of the 2BX subscriber experience. Sign in to track on-sale volumes, active retailers and price trends across the European market.

Request access
© 2026 2BX Commercial Solutions S.L. — All rights reserved EU data hosted · Built for the bicycle industry