Otso Arctodus TI Frameset Bikes Otso S
SKU: 210000150168
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Otso Arctodus TI Frameset

Regular price $3,545.00
Regular price $3,545.00 Sale price $3,545.00
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Product Details

The Otso Arctodus Ti, aptly named after the colossal Ice Age bear Arctodus simus, embodies the spirit of winter exploration. Crafted with a lightweight titanium frame, this bike thrives on versatility, strength, and durability, conquering snowy terrains with ease. Boasting a large front triangle for ample cargo space and adjustable geometry designed for flotation and control in deep snow, the Arctodus Ti is your steadfast companion on the fine line between adventure and expedition.

Designed around a 26” x 4.8” tire, the Arctodus Ti offers optimal handling on loose trails and accommodates the biggest fat bike tires on the market: 26” x 5.05” and 27.5” x 4.5”. Its unique 5mm offset on the rear wheel allows for a narrow bottom bracket, clearing these large tires with a 12-speed drivetrain. With a Tuning Chip rear dropout system enabling customizable wheelbase length, bottom bracket height, and head tube angle, and compatibility with Wolf Tooth GeoShift Angle Headsets, the Arctodus Ti adapts effortlessly to varying trail conditions, ensuring an answer to every adventure, from groomed trails to polar expeditions.

*Please note that bike specifications are subject to change without prior notice
Bottom Bracket Standard 100mm BSA threaded
Q Factor 205mm with Race Face Aeffect crankset
Maximum Chainring Size 36T round or 34T oval
Front Derailleur Type None. 1x only bike.
Headset ZS44 upper, EC44 lower
Seatpost Diameter Ø31.6mm, accommodates internally routed dropper post
Seatpost Clamp Ø34.9mm
Front/Rear Hub Standard 150x15mm thru axle / 197x12mm thru axle, the rear end is offset 5mm to the driveside, so wheel must be dished to the non-drive side
Front/Rear Axle Ø15x150mm, TP=1.5, TL=12mm / Ø12x235mm, TP=1.5, TL=14mm
Rear Dropouts Tuning Chip Dropout with adjustable chainstay length, offset 5mm
Derailleur Hanger Tuning Chip Right Dropout
Rear Brake (Rotor) 74mm post (160mm native, 180mm max)
Front Brake (Rotor) 74mm post (160mm native, 180mm max)
Fork Axle-to-Crown 485mm, suspension corrected for 100-120mm travel forks
Fork Offset 51mm
Bare Frame Weight 2429g S | 2487g M | 2550g L | 2621g XL
Fork Weight (Otso Rigid Fork) 650g
Tire Clearance (Frame) Up to 26" x 5.25" or 27.5" x 4.5" or 29" x 3" in all Tuning Chip positions
Tire Clearance (Fork) Up to 26" x 5.4" on 100mm rim
120mm Fork Note Using a 120mm suspension fork will slacken the head tube angle by 0.5˚
Frame Bag Dimensions Small Medium Large X-Large
Seatpost Insertion Depth 220mm S | 270mm M | 310mm L | 350mm XL
Max Weight (Rider + Gear) 275 lbs.
Max Spacer Stack Under Stem 40mm
Max Spacer Stack Above Stem 10mm
Max Stem Bolt Torque 6 Nm
Size Small Medium Large X-Large
Recommended Rider Height 4'9"-5'5" 5'5"-5'9" 5'9"-6'1" 6'1"-6'7"
Recommended Rider Inseam 29"-32" 31"-33" 32"-35" 34"-37"
Effective Top Tube 589mm 610mm 632mm 663mm
Nominal Head Tube Angle 68.5° 68.5° 68.5° 68.5°
Tuning Chip Induced Head/Seat Tube Angle Change ±0.2° ±0.2° ±0.2° ±0.2°
Head Tube Length 90mm 90mm 100mm 140mm
Nominal Seat Tube Angle 74° 74° 74° 74°
Seat Tube Length 380mm 420mm 465mm 510mm
Bottom Bracket Drop 80mm 80mm 80mm 80mm
Chainstay Length 440-460mm 440-460mm 440-460mm 440-460mm
Wheelbase 1119-1139mm 1140-1160mm 1162-1182mm 1197-1217mm
Trail 94mm 94mm 94mm 94mm
Fork Offset 51mm 51mm 51mm 51mm
Rigid Fork Axle to Crown Length 485mm 485mm 485mm 485mm
Stack 607mm 607mm 617mm 654mm
Reach 415mm 435mm 455mm 475mm
Standover 707mm 736mm 773mm 810mm

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