Highlights
- Color: Gunmetal Grey with Cobalt Blue Graphics
- Weight: 56 lbs. as shown.
- Standard features include:
- Shimano EP8 Drive Unit
- Shimano 630Wh Battery
- SRAM G2 RS brakes
- Mastodon Pro EXT 120mm suspension fork
- Carbon handlebars
- Dropper seat post
- Durable Sun Ringle Mulefüt Rims
- Your choice of tires.
Frame | Borealis Keystone Aluminum 15", 17", 19", 21" |
Drive Unit | Shimano DU-EP800 |
Battery | Shimano BT-E8036 (630Wh) |
Display | Shimano SC-EM800 |
Assist Switch | Shimano SW-EM800L |
Speed Sensor | Shimano EWSS300L540A |
Fork | Manitou Mastodon PRO EXT 120mm, 51mm offset |
Headset | FSA w/ Star Nut |
Stem | Borealis 50mm |
Handlebar | Borealis Carbon |
Grips | Ergon GP1 |
Saddle | WTB Volt Medium Steel |
Seat Collar | Borealis Bolt-On |
Seatpost | KS Lev Integra 125mm (SM, MD) / 150mm (LG, XL) |
Brakes | SRAM G2 RS |
Rotors | SRAM HS2 200mm front / 180mm rear |
Shifter | SRAM AXS Pod Contoller Right Bridge w/ MMX Clamp for GX Eagle Transmission |
Derailleur | SRAM GX Eagle Transmission Derailleur |
Cassette | SRAM GX Eagle Transmission Cassette 10-52T |
Chain | SRAM GX Eagle Transmission Flattop Chain |
Crank Arms | Samox 170mm |
Chainring Mount | Samox 104 BCD for 75mm chainline |
Chainring | SRAM Eagle Transmission E-Bike MTB Chainring 104 BCD 36T Steel |
Rims | Your choice of SunRingle Mulefüt SL - 26x80, 27.5x80, or 27.5x65 |
Spokes | Straight Gauge 2.0 Black |
Hubs | Borealis Gen 4 15x150 / 12x197 |
Tires | Your choice. All tire options are listed online. |
Included | Shimano ECE80042 Battery Charger, AXS Power Pack, Kickstand, UDH Hanger, Key for battery release, Borealis Rear Thru Axle, Remote Battery Charging Adapter |
Weight | Size Medium w/ Mulefut 27.5x80 & Terrene Yippee Ki Yay 4.3" Tires: 56 lbs. |
Wheel / Tire Size | 26 x 3.8–5.0" on up to a 100mm rim / 27.5 x 2.8-4.5 on up to a 82mm rim / 29 x 2.25–3.0 |
Susp Fork Travel | 120mm |
Fork Offset | 51mm |
Headset-Upper | IS41 |
Headset-Lower | IS52 |
Seatpost | ø31.6mm |
Seat Collar | ø34.9mm |
Dropper Compatible | Internal - 125mm for SM & MD / 150mm for LG & XL |
Front Derailleur Type | Not Compatible |
Bottom Bracket | Shimano EP8 |
Crankset (Max Ring) | Chainline 75mm / 1x (38t) |
Rear Brake (Rotor) | 74mm post (160–180mm) |
Rear Spacing | 197 x 12mm thru-axle |
Rear Axle | ø12 x 222L, TP= 1.0, TL = 16 |
Derailleur Hanger | SRAM UDH |
Bottle Mount | Small & Medium: 1 (downtube) / Large & XL: 2 (downtube & seatube) |
Rear Rack Reccomendation | Old Man Mountain Divide Fat |
Rear Rack Mounts, Upper | Yes |
Axle to Crown | 531mm |
Steerer Tube Size | 28.6mm |
Steerer Style | Tapered |
Crown Seat Diameter | 40mm |
Small 15" | Medium 17" | Large 19" | X-Large 21" | |
Effective Top Tube | 630 | 645 | 660 | 665 |
Seat Tube Center to Top | 381 | 432 | 482 | 533 |
Head Tube Length | 160 | 160 | 175 | 190 |
Head Tube Angle | 69° | 69° | 69° | 69° |
Seat Tube Angle | 73° | 73° | 73° | 73° |
Chainstay Length | 480 | 480 | 480 | 480 |
BB Drop | 60 | 60 | 60 | 60 |
Reach | 420 | 435 | 445 | 446 |
Stack | 688 | 688 | 702 | 716 |
Standover Height | varies based on wheel and tire size | |||
Wheelbase | 1187 | 1207 | 1223 | 1229 |
Fork Offset | 51 | 51 | 51 | 51 |
Some assembly required upon receipt. Your bike will be completely assembled and tuned by Borealis, then partially disassembled for shipment. The remaining assembly will require installation of the rear derailleur, chain, fork, seat post, wheels, and handlebars. If you are not familiar with this level of assembly, we recommend having your local bike shop complete the assembly.






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