URSA Major Titanium 1.0

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URSA-Major-Titanium-blue-side.jpg
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CHUMBA USRA MAJOR Titanium mrp blue (1 of 1).jpg
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CHUMBA USRA MAJOR Titanium Frame (3 of 3)-2.jpg
CHUMBA USRA MAJOR Titanium Frame (3 of 3).jpg

URSA Major Titanium 1.0

from 4,495.00
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URSA Major Titanium 1.0 COMPONENTS

Frame/Fork:

  • CHUMBA Frame: URSA Major Titanium Fat-bike (Made in USA)
  • Rear Axle: Paragon Machine Works 197x12 Thru-Axle (Made in USA)
  • Bottle Cage Bolt Set: 5mm Stainless
  • Fork: MRP Fat Fork Carbon 150x15

Brakes:

  • Front Brake: Shimano XT M8000 Hydraulic
  • Rear Brake: Shimano XT M8000 Hydraulic
  • Front Brake Rotor: Shimano RT66 180
  • Front Brake Adaptor: Shimano 180 PM
  • Rear Brake Rotor: Shimano RT66 180
  • Rear Brake Adaptor: Shimano 180 PM

Drivetrain:

  • Bottom Bracket: RaceFaceTeam Phil wood Grease X-Type BSA 100
  • Crankset: RaceFace Aeffect 190 175mm
  • Chainring: RaceFace Cinch DM 30T NW
  • Cassette: Shimano M8000 11-46T XT Cassette 11 speed 
  • Chain: Shimano XTM8000 Chain 11 speed
  • Shifters: Shimano XT M8000 Right shifter
  • Cables and Housing: Shimano SP41 and Stainless Cable  
  • Rear Derailleur: Shimano XT M8000 Mid Shadow Plus Clutch

Steering/Seating:

  • Headset: Cane Creek40 Series ZS44/EC44 Tapered
  • Headset Spacers:  Cane Creek Alloy
  • Handlebar: Thomson Trail 12mm Riser 6° Back 4° Up 750mm
  • Stem: Thomson X4 Stem Black 60mm, 70mm, 80mm, 90mm, 100mm
  • Grips: RaceFace Strafe Black Lock-on
  • Saddle: RaceFace Aeffect Black
  • Seatpost: Thomson Elite Seatpost Black 31.6mm

Wheels/Tires

  • Front Wheel: Sun RingleMulfut 80SL 150x15, comes tubeless installed
  • Rear Wheel: Sun RingleMulfut 80SL 197x12, comes tubeless installed
  • Front Tire: Maxxis Minion 4.0" FBF EXO TR
  • Rear Tire: Maxxis Minion 4.0" FBR EXO TR

Frame Details

  • Made in USA
  • CHUMBA USA Select Steel, ovalized chainstays and oversized tubes, bent downtube gives plenty of room for a Bluto fork in 360 degrees.
  • English threaded 100mm Paragon Machine Works Bottom Bracket. 
  • Oversized 44mm headtube fits tapered forks.
  • Paragon Machine Works sliding dropout inserts
  • 3" - 5" Tire compatible, offering one of the shortest steel chainstay lengths out there for both tire sizes, 435mm with a 4.0 tire and 455mm with a 4.8" tire
  • Short chainstays are best for snow riding giving more traction in the snow and more balance. They also happen to be more fun for trail riding on a 26" fatbike.
  • The frame can be used with 190 Quick release hubs or 197 thru axle hubs, depending on the chosen insert.

Fork options include: Rockshox Bluto 100mm or Bluto 80mm and MRP RockSolid Fat Carbon 150mm Fork.

  • When upgrading to suspension, we recommend going for the full 100mm fork option on Medium and Large sizes, 80mm on Small. 
  • We've found the 69 headtube angle to be the best at snow and trail racing, which you'll have with the rigid or an 80mm Bluto. 
  • The 100mm gives a more aggressive trail stance and slacker headtube angle of about 67.5º, 68º when sagged.