by Simon Ananda Raj May 19, 2025 1 min read
Firefox is an Indian bicycle brand who has been around for a long time now. From childrens bicycles to women specific bicycles and performance focused MTB's, they have it all. Firefox has a wide range of hardtail MTB's and we got the opportunity to test ride the Firefox Fusion 27.5D 201 Speed and here is what we thought. Weight: 18.4 kgs Usage: Leisure
A comfortable to ride hardtail MTB for flat trails and rough urban roads.
Product Rating Out of 5
✔ Wide 660mm handlebar
✔ Heavily treaded 27.5” tires
✔ Powerful Mechanical Disc brakes
✖ No Alloy Frame
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Steel
During the test ride the Steel frame was strong and could handle rough/bumpy roads.
Zoom Suspension Fork with 50mm Travel
This minimal travel was nevertheless smooth in operation.
Shimano Tourney 3x7-Speed
For short urban rides and flat trails this gearing performance is sufficient.
Mechanical Disc Brakes
The JAK branded Mechanical Disc brakes were powerful for muddy and wet surfaces and on flat trails and roads.
Wanda 27.5" x 2.1"
The stock Firefox 27.5” x 2.1” tires can tackle rough surfaces easily.
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The Firefox Fusion 27.5D, like its 26” variant is built on full Steel frame. It is a bit surprising to see a Steel frame on a MTB at this price as Alloy is what I expected to see. The frame geometry and build makes this bicycle capable of doing some rigorous riding on flat trails and bad urban roads. During the test ride the Steel frame was strong and could handle rough/bumpy roads and also had a geometry design which was comfortable to ride.Being a hardtail the Fusion 27.5D comes with a Zoom entry-level suspension fork with a minimal 5mm travel. This minimal travel was nevertheless smooth in operation.
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The hardtail Steel frame comes in 2 sizes; 18” and 19.5”
Like its 26” variant, the Fusion 27.5D also comes with a 21-Speed Shimano Tourney at the front and rear as derailleurs. These are the most basic Shimano MTB components there is but for short urban rides and flat trails this gearing performance is sufficient. Some minor tuning periodically and these gears will give you constant smooth gear shifting. The Shimano EF5 trigger shifters were easy and comfortable to use.
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This bicycle comes with Shimano's 21-Speed entry-level Tourney derailleurs
This bicycle which I test rode came in a full Blue colour with Orange and Grey graphics. The bulked up bottom tube and triangular shaped top tube makes this bicycle look sharp. The welds were neat and weren’t too prominent at the joints. The matte finish paint job was of top quality and definitely made the bicycle look premium.
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The Fusion 27.5D comes in 2 colour variants; Matte Black with Blue and Grey and Matte Blue with Orange and Grey
The stopping power on this 27.5” hardtail MTB is taken care of by a pair of JAK branded Mechanical Disc brakes. These brakes are an upgrade from the V-brakes seen on the 26” Fusion and were powerful in stopping amidst traffic and even on flat muddy surfaces.The 66mm MTB handlebar was wide and gave optimum control for the rider when riding through fast paced flat trails and also when maneuvering through traffic on urban roads.
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The JAK branded Mechanical Disc brakes were powerful for muddy and wet surfaces and on flat trails and roads
The Firefox Fusion comes with a stock 27.5” x 2.1” MTB tires. These tires have bulky treads and a uniform tread pattern which provided good traction on tar and non-tar surfaces. This wheelset was good for getting up to speed on urban roads as well as being balanced on flat trails. The stock saddle from Firefox is not the most ergonomic in design but it is well cushioned so you wouldn’t need an extra gel or foam seat cover.
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The stock Firefox 27.5” x 2.1” tires can tackle rough surfaces easily
This Steel hardtail MTB has a comfortable frame geometry and wide 66mm handlebars. The powerful Mechanical Disc brakes made it easy to stop on flat trails and urban roads. The 27.5” tires were heavily treaded and fast rolling as well. Priced at Rs.17,2(as on 19th June 219) the Firefox Fusion 27.5D - 21 Speed is an ideal choice for anyone looking to buy a bicycle for riding on flat trails during the weekend and on urban roads during the week.Prices and Specifications/Components are subject to change by the brand, without due notice.
Frame
Steel Frame
Fork
Front Suspension
Front Derailleur
Shimano Tourney
Rear Derailleur
Shimano Tourney
Shifters
Shimano Altus
Brakes
Disc Brakes
Brake Levers
Alloy
Tires
Wanda 27.5" x 2.1"
Rims
Alloy
Handlebar
Steel 660mm
Stem
Zoom Alloy
Seatpost
Steel
Saddle
N/A
Pedals
N/A
Hubs
N/A
Cassette
Shimano TZ500
Chain
N/A
Crankset
Steel 24/34/42T
Bottom Bracket
Steel
No of Gears
21-Speed
Riding Purpose
Leisure/Fitness