Diamondback Sorrento Mountain Bike Review

Adventures are always something exhilarating to look forward to. Especially if you are the type to enjoy going on a trekking tour on the mountains or just want to cruise off-road exploring the wilderness, a mountain bike can be your best buddy!

Choosing a good mountain bike can be a bit of a hassle with so many factors and features to look out for. Owing to popularity, a lot of research and development has gone behind manufacturing mountain bikes and improving their performance over the years. While many of them offer excellent features, most are priced way too high for amateurs or beginners. That is precisely where the Diamondback Sorrento Mountain Bike comes in to save the day!

With all-around useful features and some impressive specs, the affordable yet classy Diamondback Sorrento Mountain Bike can be your top-notch solution to choosing the best mountain bike. No messing around; let’s jump right into the in-depth review.

Key Features

Frame Material and Size Options

Engineered with heat-treated aluminum frames and butted metal joints, the Diamondback Sorrento Mountain Bike is durable and can withstand extreme weights, even under sudden impact. The DB 6061-T6 lightweight frame has a replaceable derailleur hanger with the crown made of alloy.

To add up to flexibility, there are five different frame sizes available to suit almost all ranges of body weights. You can choose one that lets you rest your arms and legs at a suitable position and provide you utmost comfort.

Suspension Fork

The Trail XC 75mm Suntour suspension travel fork on the front is smooth and responsive while absorbing shocks. You can cruise over rugged terrain and bumpy roads full of rocks or crevices effortlessly. You won’t even feel any discomfort when riding over long distances.

Gears & Shifters

The gears are the heart of a mountain bike since these little metal rings will help you go through any terrain. With 7-speed drive-train front gears and Shimano SRAM Easyfire EF trigger shifters, you can switch between 21-speed ratios effortlessly and control the acceleration with smooth gear transition. You basically don’t have to worry about a thing while trailing steep uphill or to cruise flat terrains with this bike.

Rims, Wheels & Tires

The Diamondback Sorrento Mountain Bike comes built-in with sturdy 32h XC260 double-wall alloy rims for extreme rigidity. It maintains stability and comfort even in the toughest of roads.

The 26-inch wheels with 27.5-inch 650-B Chayoang Hornet tires are excellent in terms of quality and enhanced performance. They provide a firm grip to the wheels making it less prone to accidents or slippage on wet roads. Nonetheless, they are still agile enough to provide incredible acceleration and flexible control over the bike’s movement.


Speaking of security and protection, it’s wise to invest in a bike that offers the most powerful and reliable brakes. With designer linear-pull Tektro brakes of the Diamondback Sorrento Mountain Bike, you simply can’t go wrong. The same Shimano EF-51 brakes are trusted by professional bikers world-wide. So, you can ride without risk at any speed you want!

Furthermore, if you’re up for it, there are already mounting points if you want to upgrade to hydraulic brakes in the future.

Major Specifications

  • Tektro Alloy Lightweight 6061-T6 Aluminum frame
  • Trail XC 75mm Suntour suspension travel fork
  • Altus/Tourney derailleurs
  • 21-speed gears (7-speed front x 3-speed back)
  • Shimano SRAM Easyfire EF trigger shifters
  • 5-inch 650-B wheel size
  • Chayoang Hornet 27.5×2.1 tires
  • Tektro Alloy Linear-pull brakes
  • Diamondback ATB Men’s Saddle seat
  • 2mm micro-alloy adjustable seat post
  • KMC Z51 chains
  • Shimano 7-speed freewheel cogset
  • 3 inches stand-over height
  • 30 lbs. overall weight


  • Available Multiple frame sizes
  • Very easy to assemble right out of the box
  • Customizable derailleur hangers
  • Affordable price-point
  • Mounting pints for hydraulic brakes
  • Bonus: water bottle mount included as a gift!


  • No kickstand is included inside the packaging
  • Assembly toolkit sold separately
  • Pedals are made of plastic
  • The suspension forks cannot be locked

Frequently Asked Questions (FAQs)

Is the Diamondback Sorrento Mountain Bike pre-assembled?

No, the bike needs to be assembled by the user. It’s pretty straightforward if you just follow the instruction manual and assembly guide.

Is it ready for mountain trekking?

Although branded as a ready-to-ride mountain bike, we suggest replacing the plastic pedals and attaching a kickstand to the Diamondback Sorrento Mountain Bike before directly heading off to trek the mountains.

Does the bike have an adjustable seat?

Of course! You can set the height of the Diamondback ATB saddle according to your comfort. The adjustable seat post is made of 27.2 mm micro-alloy materials.

Can I choose between different frame sizes for the bike based on my height?

The Diamondback Sorrento Mountain Bike comes in five different frame sizes. The 14-inch and 16-inch M models are primarily for teenagers or young adults. The 18-inch and 20-inch L variants are suitable if you are between 5’6” to 6’. You can also opt for the 22-inch XL frame if you are over 6’ in height.

Is it suitable for both male and female riders?

Yes, the bike is designed with both genders in mind. The stand-over height of the bike is around 33.3 inches, weighing only 30lbs.

Bottom Line

Judging by the specs and price, the Diamondback Sorrento Mountain Bike is definitely graded as an entry-level mountain bike. But don’t stress out as it can easily compete with the professional contenders out there. Starting from premium-quality feather-light aluminum frames and top-notch Shimano EF gear shifters, this bike features it all. And that too, without spending too much money and burning a hole into your pocket.

To be honest, it’s nothing too fancy. But just give it a spin after you buy the bike and, trust us on this, you won’t want to look back at other choices!

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