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With premium frame quality and only the best components, the Borealis Flume offers the best value on the market. This expedition-ready fatty mirrors the Crestone geometry, but does so in lightweight, 6000-series aluminum.
Available in store
CloseHIGHLIGHTS
COMPATIBILITY
SPECS
Eagle 12 speed Flume Specs (1×12)
Eagle NX | Eagle GX | Eagle X01 | Eagle XX | |
Crankset | SRAM Eagle NX | SRAM Eagle GX | SRAM Eagle X01 | SRAM Eagle XX |
Crank Arms | 175mm Alloy | 175 Alloy | 175mm Carbon | 175 Carbon |
Rear Derailleur | RD ENX 1 x 12 | RD EGX 1 x 12 | RD EXO 1 x 12 | RD EXX 1 x 12 |
Chain | KMC X12 | KMC X12 | KMC X12 | KMC X12 Gold |
Cassette | PG 1230 11-50 | XG 1275 10-50 | XG 1295 10-50 | XG 1299 10-50 Gold |
Shifters | SRAM Eagle NX | SRAM Eagle GX | SRAM Eagle X01 | SRAM Eagle XX1 |
Brakes | SRAM - Select | SRAM - Select | SRAM - Select | SRAM - Select |
Chain Ring | SRAM 30T X-Sync | |||
Frame | Borealis Crestone Carbon | |||
Fork | Borealis Carbon Rigid Fork | |||
Headset | Borealis | |||
Hubs | Borealis: Front 15×150 Rear 12×197 | |||
Rims | 26" or 27.5" Sun Ringle Mulefut V2 |
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Spokes | Borealis Straight Gauge | |||
Nipples | Borealis Silver Brass | |||
Tires | Your Choice | |||
Bar | Borealis Carbon Bar (35mm) | |||
Stem | Borealis 50mm or 70mm | |||
Post | Borealis Carbon Seatpost (31.6mm) | |||
Saddle | Borealis | |||
Grips | Borealis | |||
Bottom Bracket | SRAM DUB 100mm | |||
DT/CS Protector | Lizard Skins | |||
Weight | See weight calculator for exact weight. |