Since 2013, Borealis has specialized in lightweight carbon fiber fat bikes. The Crestone is our tried and true flagship model. The frame geometry is optimized for riding in snow and sand with clearance for up to 5” wide tires. Paired with the most technically advanced components in the industry, the Crestone sets the standard for premium quality carbon fiber fat bikes.
HIGHLIGHTS:
COMPATIBILITY:
ASSEMBLY
Please view our SUPPORTpage to see the remaining assembly that is involved if you choose "Assembled by Borealis" in the build & price tool.
WHEELS & TIRES:
BUILD SPECS:
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 | 175mm 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 |
SRAM XX |
Cassette | PG 1230 11-50 | XG 1275 10-52 | XG 1295 10-52 | XG 1299 10-50 Gold |
Shifter | 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 | FSA | |||
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. |
SIZE CHART
SIZE CHART
GEOMETRY CHART
Stack and Reach are the fundamental fit elements, they are both measured relative to the bottom bracket. When choosing the Borealis that is right for you, it’s important to find a balance in these measurements to ensure the best performance.
CRESTONE | S | M | L | XL | S | M | L | XL | |
---|---|---|---|---|---|---|---|---|---|
Effective Top Tube | 23.02 in | 24.01 in | 24.67 in | 25.59 in | 585 mm | 610 mm | 626.6 mm | 650 mm | |
Seat Tube Center to Top | 15.04 in | 17.01 in | 19.06 in | 21.02 in | 381 mm | 432 mm | 484 mm | 534 mm | |
Head Tube | 4.13 in | 4.72 in | 5.31 in | 5.91 in | 105 mm | 120 mm | 135 mm | 150 mm | |
Seat Tube Angle | 73 deg | 73 deg | 73 deg | 73 deg | 73 deg | 73 deg | 73 deg | 73 deg | |
Head Tube Angle | 70 deg | 70 deg | 70 deg | 70 deg | 70 deg | 70 deg | 70 deg | 70 deg | |
Standover Height | Due to various rim and tire options stand over is not identified. | ||||||||
Chainstay | 18.07 in | 18.07 in | 18.07 in | 18.07 in | 459 mm | 459 mm | 459 mm | 459 mm | |
BB Drop | 2.36 in | 2.36 in | 2.36 in | 2.36 in | 60 mm | 60 mm | 60 mm | 60 mm | |
Reach | 16.04 in | 16.65 in | 17.22 in | 17.76 in | 407.3 mm | 423 mm | 437.5 mm | 451.2 mm | |
Stack | 23.50 in | 24.05 in | 24.61 in | 25.16 in | 597 mm | 610.9 mm | 625 mm | 639.1 mm |