• Firefox Sigma 29T mountain bike with alloy frame and suspension fork Firefox Sigma 29T mountain bike with alloy frame and suspension fork
  • What is included in the box with Firefox Sigma mountain bike What is included in the box with Firefox Sigma mountain bike
  • Firefox Sigma mountain bike rider height and age suitability guide Firefox Sigma mountain bike rider height and age suitability guide
  • Wide and comfortable saddle on Firefox Sigma mountain bike Wide and comfortable saddle on Firefox Sigma mountain bike
  • Non slip handlebar grip on Firefox Sigma mountain bike Non slip handlebar grip on Firefox Sigma mountain bike
  • 29 inch wheel size of Firefox Sigma mountain bike for smooth riding 29 inch wheel size of Firefox Sigma mountain bike for smooth riding
  • 100mm front suspension and mechanical disc brakes on Firefox Sigma 29T mountain bike 100mm front suspension and mechanical disc brakes on Firefox Sigma 29T mountain bike
  • High strength lightweight alloy frame of Firefox Sigma 29T mountain bike High strength lightweight alloy frame of Firefox Sigma 29T mountain bike
  • Firefox Sigma 29T mountain bike with alloy frame showcased in lifestyle adventure theme Firefox Sigma 29T mountain bike with alloy frame showcased in lifestyle adventure theme

Firefox Sigma 29T MTB | Alloy Frame | Disc Brakes | Single Speed

Rs. 15,990.00
Tax included. Shipping calculated at checkout.

Only 3 stock left

  • Front Suspension
  • Dual Disc Brakes
  • Adjustable Seat
Customers rate us 4.9/5 based on 140 reviews.

Firefox Sigma 29T Mountain Bike

Unapologetically independent. Uncompromisingly bold.
The Firefox Sigma is built for riders who crave adventure, independence, and performance. With its lightweight alloy frame, smooth suspension, and strong braking system, this MTB is perfect for city roads, trails, and daily fitness rides.

Key Highlights:
✔ 29” Wheel Size MTB
✔ High Strength Alloy Frame
✔ 100mm Front Suspension Fork
✔ Mechanical Disc Brakes
✔ Single Speed / 21 Speed Gear Options

🚴 Performance & Comfort

The Firefox Sigma features a high strength aluminium alloy frame for durability and lightweight riding. Its 100mm travel suspension fork absorbs bumps easily, making it ideal for Indian roads and trails. The mechanical disc brakes ensure reliable stopping power in all conditions.

⚙️ Built for Adventure

  • 29” large wheels for better speed and stability
  • Wide 680mm handlebar for confident control
  • Threadless headset and alloy stem for durability
  • Supports rider weight up to 100 kg
  • Ideal for riders above 5’2” height

🔥 Key Features

  • High Strength Aluminium Alloy 6061 Frame
  • 100mm Travel Suspension Fork
  • Mechanical Disc Brakes
  • Single Speed or 21-Speed Gear Option
  • 29” MTB Tyres
  • 680mm Wide Handlebar
  • Threadless Headset & Alloy Stem
  • Water Transfer Decals (Non-removable)
  • Lifetime Frame Warranty*

📊 Technical Specifications

Bicycle Type Mountain Bike (MTB)
Wheel Size 29”
Frame High Strength Alloy 6061
Fork 100mm Travel Suspension
Gears Single Speed / 21 Speed
Brakes Mechanical Disc Brakes
Handlebar 680mm Wide
Headset Threadless 8 PCS
Stem Alloy 90mm Extension
Maximum Rider Weight 100 kg
Rider Height 5’2” and Above
Age Group 12+ Years
Warranty Lifetime on Frame | Limited on Components

✅ Why Choose Firefox Sigma?

The Firefox Sigma is perfect for beginners, daily riders, and MTB lovers who want a stylish, durable, and affordable mountain bike. Whether you are commuting, exploring trails, or riding for fitness, Sigma delivers confidence, control, and performance at an unbeatable price.

Firefox

Firefox is an Indian bicycle brand, founded in 2005 by Shiv Inder Singh, that was acquired by Hero Cycles in 2015 and sells a wide range of bikes, including kids' bikes, road bikes, mountain bikes, and electric bikes. Firefox is known for promoting biking culture through its retail stores, online presence, and social media, and competes in the premium bicycle market with a strong pan-India network

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