Included with frame: Lizard Skin Frame Protection, Rear Thru Axle, Seat Collar
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 | 100-120mm |
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 | Compatible |
Bottom Bracket | 100mm Threaded BSA |
Crankset (Max Ring) | Chainline 76mm / 1x (34t) |
Rear Brake (Rotor) | 74mm post (160–180mm) |
Rear Spacing | 197 x 12mm thru-axle |
Rear Axle | ø12 x 229L, TP= 1.5, TL = 20 |
Derailleur Hanger | Borealis Custom |
Bottle Mount | SM : 2 (downtube) / MD, SM, XL: 3 (downtube & seatube) |
Rear Rack Reccomendation | Old Man Mountain Divide Fat |
Rear Rack Mounts, Upper | None |
Axle to Crown | 487mm |
Steerer Tube Size | 28.6mm |
Steerer Style | Tapered |
Crown Seat Diameter | 40mm |
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.
S | M | L | XL | |
EFFECTIVE TOP TUBE | 585 mm | 610 mm | 630 mm | 650 mm |
SEAT TUBE CENTER TO TOP | 381 mm | 432 mm | 484 mm | 534 mm |
HEAD TUBE | 105 mm | 120 mm | 135 mm | 150 mm |
SEAT TUBE ANGLE | 73 deg | 73 deg | 73 deg | 73 deg |
HEAD TUBE ANGLE | 70 deg | 70 deg | 70 deg | 70 deg |
CHAINSTAY | 455 mm | 455 mm | 455 mm | 455 mm |
BB DROP | 60 mm | 60 mm | 60 mm | 60 mm |
REACH | 407 mm | 423 mm | 438 mm | 451 mm |
STACK | 597 mm | 611 mm | 625 mm | 639 mm |
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