Borealis focuses on high performance fat bikes and electric bikes. We have prebuilt models or you can custom build a bike that is tailored to your needs.
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| All | 78 |
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| Vehicles & Parts | 11 |
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![Tires - Terrene Johnny 5 26x5.0" Light Studded [8.16lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/files/TerreneTires_Johnny5_26x5.0_Stud_300x.jpg?v=1699975305)
$15.00
![Rigid + Manitou Mastodon Comp Ext 120mm [4.87lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/191-36890-A101_A102_A601_A602_5_1800x1800_4a35e276-26ed-4413-8a34-4ebfcc4e364c_300x.webp?v=1675900354)
![Seat Post / Dropper - KS Lev Integra Dropper 150mm [1.23lbs] (Large, X-Large Only) UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/LEV-Si-22_d764be52-5700-41ed-9368-5bd691649110_300x.png?v=1675901261)
![Seat Post / Dropper - KS Lev Integra Dropper 125mm [1.15lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/LEV-Si-22_300x.png?v=1675901251)
![Rims - HED Carbon 27.5 x 85mm [4.25lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/Untitled_f6af1f37-f2d7-40b9-9bed-c1ac202c907b_300x.png?v=1675900948)
![Rims - HED Carbon 26 x 85mm [4.12lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/Untitled_84e5f131-2e8b-44cb-bafd-f90fbb88f7ed_300x.png?v=1675900926)
![Rims - HED Alloy 27.5 x 80mm [5.11lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/alumin_rim__94499_a1c1611b-5074-4e8b-82fb-0f180b94570e_300x.webp?v=1675900620)
![Rims - HED Alloy 26 x 80mm [5.00lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/alumin_rim__94499_300x.webp?v=1675900607)
$150.00
![Brakes - SRAM G2 RS [1.235lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/CBL10155_LH_01_850x850_961fade9-e3fa-4d89-991b-dfd90daf7fb0_300x.webp?v=1675897167)
![Drivetrain - Eagle GX 12 Speed [5.99lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/gxcasette_f3b3c94e-cab2-4f8a-b415-31889eb43f79_300x.png?v=1675899098)
$500.00
$699.99
You save
$199.99
![Drivetrain - Eagle GX 12 Speed w/ AXS upgrade kit [6.19lbs] - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/gxcasette_300x.png?v=1675899070)
![Drivetrain - SRAM Eagle AXS XX1 12 Speed Rainbow [5.4lbs] UPGRADE - Borealis Fat Bikes](https://cdn.shopify.com/s/files/1/0669/2605/1638/products/xx1r_300x.png?v=1675899289)
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