Kona Lava Dome 29 – Dark Gray – 2025

Description

Simplicity, Durability, and Endless Adventure

The Kona Unit 29 is a no-nonsense, steel-framed single-speed trail machine built for those who crave simplicity, durability, and the freedom to ride anywhere. Whether youre tackling long backcountry rides, bikepacking adventures, or just rolling through town, the Units Reynolds 520 Butted Cromoly frame delivers the perfect blend of strength, compliance, and timeless style.

Designed with modern versatility in mind, the Unit comes single-speed stock, but it’s ready to be converted to a 12-speed drivetrain if you want extra gearing. With Bento box mounts, rack and fender compatibility, and massive 29×2.6 tire clearance, this bike is your ideal companion for anything from rugged singletrack to long-haul touring.

Key Features:

Reynolds 520 Butted Cromoly Frame Steel is real: durable, compliant, and built to last.
Single-Speed Simplicity Low-maintenance and ultra-reliable for pure riding fun.
29×2.6 Maxxis Rekon or WTB Ranger Tires Cushioned traction for tackling rough terrain.
Tektro Hydraulic Disc Brakes (180mm/160mm Rotors) Confident stopping power in all conditions.
Bikepacking-Ready Rack, fender, and Bento box mounts for maximum adventure potential.
Convertible to a 12-Speed Upgrade to gears if you ever want to mix things up.

Specifications:

• Frame: Reynolds 520 Butted Cromoly

• Fork: Kona Plus Fork, 110mm Spacing

• Rims: WTB ST i30 TCS 2.0

• Hubs:

  • Front: Formula 110x15mm

  • Rear: Formula 148x12mm

• Spokes: Stainless Black 14g

• Tires:

  • Maxxis Rekon TR 29×2.6″ OR WTB Ranger TCS 29×2.6″

• Bottom Bracket: FSA MegaExo 73mm

• Crankset: FSA Comet Modular, 32T

• Cassette: KT 18T Single-Speed

• Chain: KMC Z1 Narrow

• Brakes: Tektro HD-M275 Hydraulic Disc

• Rotors:

  • Front: 180mm

  • Rear: 160mm

• Brake Levers: Tektro HD-M275

• Handlebars: Kona XC/BC Riser

• Grips: Kona Key Grip

• Stem: Kona XC

• Headset: TH ZST No.10

• Seatpost: Kona Thumb w/Offset, 31.6mm

• Saddle: WTB Volt

• Pedals: Kona JS2

Who is This Bike For?

Minimalists & Purists Love the simplicity of a low-maintenance single-speed? This is for you.
Bikepackers & Adventure Riders Tons of mounts and big tire clearance make it ideal for long-haul journeys.
Trail & Rigid MTB Riders Steel frame, 2.6 tires, and hydraulic brakes = confidence on the trails.
Commuters & Urban Explorers Durable, stylish, and built to handle city streets or dirt paths.

The Kona Unit 29 is built for those who love the ride, not the fusssteel, simplicity, and pure adventure in every pedal stroke.