Borealis Flume Gx 11 Hed alloy wheels Jumbo Jim

Borealis Flume Gx 11 Hed alloy wheels Jumbo Jim
Please select options


GX Flume is simply the best alloy Fat Bike on the market in its class. Sporting carbon bars, carbon seat post and carbon fork, this ride is ready to go into any adventure you can imagine. Standard wheelset includes HED single wall alloy rims ready for tubeless set up. Select the tire which best fits your season and terrane for maximum riding enjoyment. Named after trails in Breckenridge and a Class 5 drop along the Arkansas River, the Flume won’t disappoint!
The Flume is built on an alloy frame that draws on all of our experience in making fat bikes at a much lower price.

All aluminum frame with careful attention to finish details
Borealis unique geometry for the best ride experience
SRAM GX components
Available in two colorways
Reduced stand over height
Carbon bar & seatpost
Carbon fork

Frame Borealis Flume Lightweight 6066 Alloy Frame (Orange/Black/Green)
Fork Borealis Carbon Rigid Fork
Headset Borealis
Hubs Borealis. Front 15×150 Rear 12×197 Black
Rims HED 80mm Alloy
Spokes Wheelsmith Black
Nipples Wheelsmith Silver Brass
Tires Dealer’s Choice
Bar Borealis Carbon 35mm
Stem Borealis 50mm/70mm for XL
Post Borealis Carbon 31.6mm
Saddle Borealis
Grips Ergon GA30
Crankset SRAM GX Alloy w/30T Chain Ring
Rear Derailleur SRAM GX 1 x 11
Chain SRAM
Cassette SRAM XG-11 10-42
Shifters SRAM GX 1×11
Brakes SRAM Level T w/Centerline 160/160mm rotors
DT/CS Protector Lizard Skins
Weight ~26lbs 15oz +2lbs for Bluto


Frame Alloy
Fork Carbon
Rear Shock NA
Rims/Wheels Hed Big deal alloy
Hubs Borealis
Spokes DT
Tires Schwalbe jumbo jim

* Subject to change without notice.

Part Numbers

Option MPN Store SKU
Gloss Orange / Medium 210000027612 210000027612
Gloss Orange / Large
Matte Black / Small
Matte Black / Medium
Matte Black / Large 210000026839 210000026839
Gloss Black / Small 210000026837 210000026837
Gloss Black / Medium
Gloss Black / Large