Velopedia Bicycle Archive
2020 Kona Kahuna
Original specifications: 29" wheels · geometry for 4 published sizes.
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At a glance
- Model year
- 2020
- Category
- Mountain
- Sizes
- S, M, L, XL
- Colors
- Gloss Ultraviolet w/ Gold & Light Ultraviolet Decals
- Geometry
- 4 manufacturer sizes
- In this record
- 22 specifications · archived image · geometry
- Archive ID
- 900002373
Model history 8 other years
Original buildAluminum · 29"
Frameset
| Frame Construction | Kona Race Light 6061 Aluminum Butted |
|---|---|
| Frame Material | Aluminum |
| Fork | RockShox Recon RL Solo Air 100mm Tapered 110mm Spacing |
Drivetrain
| Shifters | SRAM SX-Eagle |
|---|---|
| Rear Derailleur | SRAM SX-Eagle |
| Crankset | SRAM SX-Eagle; Chainring: 32t X-Sync Eagle |
| Bottom Bracket | SRAM Powerspline 73mm |
| Cassette | SRAM SX-Eagle 11-50t 12spd |
| Chain | SRAM SX-Eagle |
| Pedals | Kona JS2 |
Brakes
| Brakes | Brake Calipers: Shimano MT501 Hydraulic; Front Brake Rotor: Shimano RT56 180mm; Rear Brake Rotor: Shimano RT56 160mm; Brake Levers: Shimano MT501 Hydraulic |
|---|
Cockpit & Contact Points
| Headset | FSA No.57B |
|---|---|
| Handlebar | Kona XC/BC Riser |
| Stem | Kona XC |
| Saddle | WTB Volt Comp (Comp 250 size S) |
| Seatpost | Kona Thumb w/Offset 31.6mm |
Wheels & Tires
| Hubs | (F) Formula 110x15mm / (R) Formula 135x10mm |
|---|---|
| Rims | WTB ST I27 TCS 2.0 |
| Spokes | Stainless Black 14g |
| Front Tire | WTB Trail Boss 29x2.25" |
| Rear Tire | WTB Trail Boss 29x2.25" |
| Wheel Size | 29" |
Geometry
Frame measurements by size.
Published frame view
Select an available measurement to locate it on the frame.
All geometry measurements4 sizes · 15 measurements
| Measurement | S | M | L | XL |
|---|---|---|---|---|
| Seat tube | 370 mm | 420 mm | 470 mm | 530 mm |
| Top tube | 576 mm | 604 mm | 631 mm | 669 mm |
| Head tube | 95 mm | 105 mm | 115 mm | 125 mm |
| Head-tube angle | 68° | 68° | 68° | 68° |
| Seat-tube angle | 75° | 75° | 75° | 75° |
| Chainstay / rear center | 450 mm | 450 mm | 450 mm | 450 mm |
| Wheelbase | 1135 mm | 1164 mm | 1192 mm | 1231 mm |
| Bottom-bracket drop | 60 mm | 60 mm | 60 mm | 60 mm |
| Bottom-bracket height | 315 mm | 315 mm | 315 mm | 315 mm |
| Reach | 415 mm | 440 mm | 465 mm | 500 mm |
| Stack | 602 mm | 611 mm | 620 mm | 629 mm |
| Standover height | 727 mm | 733 mm | 738 mm | 760 mm |
| Fork offset / rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Front center | 691 mm | 720 mm | 749 mm | 787 mm |
| Fork length / axle-to-crown | 506 mm | 506 mm | 506 mm | 506 mm |
Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.
Gearing
Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.
Parts & serviceability
Find replacement parts
More parts (6)
Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.
Bike-specific inspection checklist 20 checks based on 6 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2020 Kona Kahuna · Mountain · Published sizes: S, M, L, XL
Frame and fork
Inspect the frame and fork →Archived: Frame: Kona Race Light 6061 Aluminum Butted · Fork: RockShox Recon RL Solo Air 100mm Tapered 110mm Spacing
Suspension
Evaluate the suspension →Archived: Fork: RockShox Recon RL Solo Air 100mm Tapered 110mm Spacing
Drivetrain
Check drivetrain wear →Archived: Shifters: SRAM SX-Eagle · Rear derailleur: SRAM SX-Eagle · Crankset: SRAM SX-Eagle; Chainring: 32t X-Sync Eagle · Bottom bracket: SRAM Powerspline 73mm · Cassette: SRAM SX-Eagle 11-50t 12spd · Chain: SRAM SX-Eagle
Brakes
Inspect the brakes →Archived: Brakes: Brake Calipers: Shimano MT501 Hydraulic; Front Brake Rotor: Shimano RT56 180mm; Rear Brake Rotor: Shimano RT56 160mm; Brake Levers: Shimano MT501 Hydraulic
Wheels and tires
Check wheels and tires →Archived: Wheel size: 29" · Rims: WTB ST i27 TCS 2.0 · Hubs: (F) Formula 110x15mm / (R) Formula 135x10mm · Front tire: WTB Trail Boss 29x2.25" · Rear tire: WTB Trail Boss 29x2.25"
Controls and contact points
Archived: Headset: FSA No.57B · Handlebar: Kona XC/BC Riser · Stem: Kona XC · Seatpost: Kona Thumb w/Offset 31.6mm · Saddle: WTB Volt Comp (Comp 250 size S) · Pedals: Kona JS2
Before and during the test ride
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




