Diamondback Overdrive 27.5

Diamondback Overdrive 27.5" Mountain Bike Review

Are you looking for a robust hardtail bike to ride on rough trails? If so, then Diamondback Overdrive 27.5" mountain bike is one of the best bikes for beginners at an affordable price range.

We have outlined all features, specs & questions in this review so you can understand why this Overdrive 27.5" hardtail bike can be best for you.

Overview of Diamondback Mens 27.5 Overdrive

Top Features

Alloy frame, mechanical dual disc brakes, shimano drivetrain with trigger shifter, large knobby tires, 80mm XCT fork, double-wall wheel


95% assembled, lightweight, robust frame, effective disc brake, wide gear range with smooth Shifter, great outlook.


Cheap hand grip & plastic pedals. You can upgrade both for better performance/ 

Things to Know

Please note that, this bikes comes with 95% pre-assembled by manufacturer Diamondback. So you need to do the rest assembly.

If you don't have previous experience about bike assembly then I suggest you to contact with a local bike shop (lbs) for proper assembly.

Feature Details of Diamondback Bicycles Overdrive 27.5 Hardtail Mountain Bike

Frame Construction

Frame material is one of the important parts to think about. In this case, Diamondback Mens overdrive 27.5 bike built with a 6061-T6 alloy hardtail frame, which is durable & lasts for long.

Also, Aluminum material helps to keep the bike lightweight as low as possible hence it's easy to handle on rocky terrains.

diamondback bicycles overdrive 27.5 hardtail mountain bike

Bike Appearance

Who doesn't want a bike with a great appearance? I think everybody wants a bike with good outlook & performance. In this case, Overdrive 27.5" has a classy outlook to attract others while you ride on this bike

Sizing Flexibility

This bike comes with multiple sizing options, so there is less chance to get the wrong size bike.

You can select the bike that fits your size from 4 sizing options. If you don't know about which size fits you properly, then you can check the bike sizing guide to know. Comes with different sizes as per rider such as

  • Small - 16" frame for - 5'3" to 5'6"
  • Medium - 18" frame for - 5'7" to 5'10"
  • Large - 20" frame for - 5'11" to 6'0"
  • X-Lage - 22" frame for - 6'1" to '4"

If you found that this 27.5" bikes is not fits you properly then you can check Overdrive 29er review. Its might fit you if you need bigger size than 27.5"

Wide Gear Options & Easy Shifter

This bike has 8 speed drivetrain, which allows up to 24 gears changing options. So you have options to change the speed as you need to cross any terrain, including mountain trails.

As we know, without shifter, the gear changing options is useless, So this Overdrive comes with EF-51 Easyfire shifter by Shimano to change speed smoothly in any downhill or uphill area. This feature makes this bike best at under $500 price range.

diamondback overdrive drivetrain

Large Wheels & Tires

This bike built with Doublewall alloy wheels, which allows you to travel both smooth and challenging terrain easily. Because of this sturdy wheels, no barriers, bricks, rocks, pebbles, etc. can obstruct your path.
It comes with 27.5" Kenda Honey Badger tires, which is large enough to ride over any surface and make your riding smooth and relaxed. Its plenty of traction power helps you to keep control in the steep path.

diamondback overdrive tires

Powerful Brakes

This bike comes with 24 gearing options, So sometime you may want to change speed to enjoy more faster riding. But if you need to stop this bike in emergency, you don't need to worry at all, as this bike comes with powerful dual mechanical disc brakes by Tektro in both front & rear for instant stopping power.

Effective Suspension

To enjoy a comfortable ride on rough terrain suspension is a vital thing to think about. Usually, the full-suspension bike has both rear & front suspension to absorb shock. Also, the hardtail bike has only one suspension in front. Which also can absorb shock perfectly.

On the other hand, one type of mountain bike is called RIGID that doesn't have any suspension on the bike.
But this 27.5" mountain bike comes with SR Santour 80mm XCT fork to deliver more comfort on the ride.

ReadyRide Feature

The Diamondback Mens Overdrive 27.5" comes with a most admiring feature for the beginner mountain biker, Its called ReadyRide.

That means the bike comes with 95% assembled by the manufacturer. So you need to assemble the rest part in 4 steps by the following instruction in manual & complete assembly in less than 60 minutes.

diamondback readyride

So you don't have to wait long to start riding on the road.

To complete rest assembly, the bike manufacturer provides tool kits for free, which is 4 and 5mm Hex Allen, a Pedal Wrench of 15mm & Shock Pump. Using seat post adjustable facility, you can raise the height of the seat and place it in a comfortable position as you need.

PROS & CONS of Diamondback Overdrive 1 27.5"

What We Like

  • Quality drivetrain by Shimano ensures comfortable uphill ride.
  • 80mm front suspensions that absorb vibration effectively.
  • It can move faster with 24 speeds than other conventional bikes.
  • 95% pre-assembled, thus easy to assemble the rest parts..
  • Alloy made frame hence lightweight & robust than other hardtail bikes at this price range.

What We Don't Like

  • The handgrip is not suitable for a long ride.
  • Cheap pedals. Upgrade with good pedals you like.

Diamondback Overdrive Sport 27.5 Specs



Frame Material

6061-T6 Alloy Frame


24 Speeds


Tektro Mechanical Disc


Shomano EF - 51






Diamondback Overdrive Hardtail Bike Assembly

Frequently Asked Questions and Answers

Question: Does this bike have a flexible option for tall riders?

Answer: The bike comes in 4 size features that can perfectly suit 5' 3” to 6' 4” tall riders easily. It also has seat adjustable facility; you can adjust the seat for your comfort riding. But if any person is taller than the recommended size, they can include a seat tube that is large and suit their height.

Question: What is the price of this bike?

Answer: This power-packed mountain bikes costs under $1,000. It is a perfect price range to buy a bike for the novice according to the Overdrive bikes appearance, features & performance.

Question: Does this bike help to lose weight?

Answer: Yes, of course. If you use it regular riding as well as uphill riding, this bike will help you to burn calories and lose weight drastically.

Question: Does this bike comes with water bottle holder?

Answer: Unfortunately, there are no integrated water bottle holder, but there is place for water bottle mount. You can buy & install a mount there.

Buying Advice

You'll not find major drawback of this bike as it's from renowned Diamondback Bicycles. This diamondback 27.5" is an excellent power-packed affordable mountain bike that comes at below 1000 bucks.

If you plan to buy this bike, then my advice would be, you can have a durable platform pedal as the free one breaks off after a few months. Also, you can replace the bike seat with a cushioned saddle if you need more comfort for long-distance rides

Wrapping Up

After went through Diamondback Overdrive 27.5 review you might got your answer why this bike demanding to the riders. This bike has all the features to be the best mountain bike within its price range. The lightweight aluminum frame gives you a long-time service.

Other components will give super performance when you started to ride. The bike will provide a comfortable and safe ride on any rough and tough road.

Diamondback Overdrive 27.5" Hardtail

Diamondback Overdrive




Alloy Frame


24 Speeds


Mechanical Disc


Shomano EF-51






35 lbs


About the Author Zachary Anderson

Hi, I am Zach who is behind Bikefeatures.com I am a fitness geek. I love to ride bicycle regularly to be fit everyday. In winter when riding is impossible in cold then I love to workout at home using indoor exercise equipment. I also love to write in blog to share my knowledge in cycling & workout segment. I hope my articles will help you to be fit in any weather. Thanks!

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