Ouroboros CR
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Whether you’re a gravel-loving mountain biker or a mountain-bike-loving gravel biker, the Ouroboros Carbon is the lure to catch the attention of both.

Kona made sure each coin spent is met with corresponding value in shred performance. The Ouroboros Carbon is meant for big things, so we put big things on it – like fat tires, large rotors, a mountain standard dropper post width, and a low, yet wide gear range. Hop on and let the journey unfold.

Kona

Ouroboros CR

$2,999.00

Size Guide

Height/Inches Height/Metric Inseam/Inches Inseam/Metric MTB/XC Trail/Fat All Mountain/Enduro Splice
4'10"-5'1" 147-155cm 24”-27” 61-69cm XS XS Small
5'0"-5'3" 152-160cm 26"-29" 66-74cm Small Small Small
5'2"-5'7" 157-170cm 27"-30" 69-76cm Small, Medium Small, Medium Small, Medium
5'6"-5'10" 168-178cm 29"-31" 74-79cm Medium Medium Medium
5'9"-6'0" 175-183cm 30"-33" 76-84cm Medium, Large Medium, Large Medium, Large
5'11"-6'2" 180-188cm 32"-35" 81-89cm Large, XL Large, XL Large, XL
6'1"-6'5" 185-196cm 33"-36" 84-91cm Large, XL Large, XL Large, XL
In stock
PRO SETUP Expert Assembly 95% Ready to ride out of the box.
CERTIFIED Master Mechanic Assembly Precision dialed before shipping.
SINCE 1992 Over 30 Years of Trust Decades of cycling expertise.

SKU: B36ORC48

Whether you’re a gravel-loving mountain biker or a mountain-bike-loving gravel biker, the Ouroboros Carbon is the lure to catch the attention of both.

Kona made sure each coin spent is met with corresponding value in shred performance. The Ouroboros Carbon is meant for big things, so we put big things on it – like fat tires, large rotors, a mountain standard dropper post width, and a low, yet wide gear range. Hop on and let the journey unfold.

SPECIFICATIONS

Frameset & Suspension

  • Frame Material: Kona Carbon.
  • Suspension Fork: Fox TC32 Performance GRIP damper, 40mm travel, Tapered, 100x12mm.
  • Sizes: 48, 50, 52, 54, 56, 58.

Drivetrain & Brakes

  • Rear Derailleur: SRAM Apex 12 Eagle.
  • Shifters: SRAM Apex 12.
  • Cassette: SRAM PG-1230, 11–50t (12-speed).
  • Crankset: SRAM Apex 1 DUB Wide, 38t Aluminum direct mount.
  • Bottom Bracket: SRAM Press-Fit 86.5 DUB Wide.
  • Brake Calipers: SRAM Apex Flat Mount Hydraulic.
  • Rotors: SRAM Centerline 6-bolt, 180mm (Front & Rear).
  • Chain: SRAM NX Eagle, 12-speed.

Wheels & Tires

  • Rims: WTB KOM Team i27 700c, 32h.
  • Front Hub: Formula 100x12mm (6-bolt).
  • Rear Hub: Formula 142x12mm (6-bolt, 11sp Road freehub).
  • Tires: Maxxis Ravager TR EXO, 700x50c (Front & Rear).
  • Spokes: Stainless Black, 14g.

Cockpit & Finishing

  • Handlebar: Kona 20-degree flare (Width: 440mm–520mm depending on size).
  • Stem: Kona 6-degree rise (Length: 40mm–50mm depending on size).
  • Seatpost: TranzX Dropper +RAD Internal, 31.6mm (125mm travel).
  • Saddle: WTB Volt Medium Steel SL.
  • Grips: Velo bar tape.
  • Headset: FSA Orbit No. 57E, ZS 44/56.

Product Details

  • Paint Color: Gloss Metallic Blue w/ Metallic Silver Decals.
  • Seat Clamp: Kona 34.9mm.

Bottom Line: Between the 40mm Fox fork, the internal dropper post, and the high-volume 50c tires, this build is designed to blur the lines between gravel and cross-country mountain biking.

GEOMETRY
  Size 48 50 52 54 56 58
1 ST Length 410 410 455 455 500 535
2 TT Length 532 547 559 578 595 616
3 Reach 372 377 382 386 391 396
4 Stack 566 581 598 616 636 666
5 Standover 725 730 769 777 814 848
6 HT Angle 68.7 68.7 68.7 68.7 68.7 68.7
7 HT Length 116 132 148 172 193 225
8 ST Angle 74.2 73.7 73.2 72.7 72.2 71.7
9 CS Length 445 445 445 445 445 445
10 BB Drop 69 69 69 66 66 66
11 BB Height 296 296 296 299 299 299
12 Wheelbase 1060 1071 1082 1096 1108 1124
13 Front Center 624 635 646 659 671 687
14 Fork Length 435 435 435 435 435 435
15 Fork Offset 51 51 51 51 51 51