Unveiling the Northrock XC27: The Must-Read Mountain Bike Review for 2023

Northrock Xc27 Mountain Bike

The Northrock XC27 mountain bike is a budget MTB that can be found in some Costcos throughout Canada and the USA.

We borrowed a friend’s (Jed)  XC27 and tested it on one of our local trails – overall, we were amazed at the quality for the price paid. Jed paid around $350 for this bike. He also told us it is manufactured by Giant in China specifically for Costco.

How to choose a mountain bike – Is the Northrock XC27 too cheap?

Ensure that your mountain bike is the right size for you. Don’t rely on the regular size. Every brand has a different standard, and trying out the bike yourself is essential to ensure that it fits your body. The Northrock XC27 is a standard 27″ frame, suitable for most teenagers and adults.

Choose a wheel size depending on the terrain you are likely to ride. Many people favor bigger wheels for long trails and smaller stronger ones for small windy trails; it’s all down to personal preference. Large wheels are great for hard trails but do keep in mind that they are sensitive to tire pressure. Northrock also does a 29er (29″) wheel if you are looking for something bigger.  You’ll have to see if the XC29 is also available in the store so you can compare the two.

Choose a wheel size depending on your terrain. Many people favor bigger wheels for long trails and smaller stronger ones for small windy trails; its all down to personal preference. Large wheels are great for hard trails but do keep in mind that they are sensitive to tire pressure. Northrock also does a 29er (29″) wheel if you are looking for something bigger.

Overall the Northrock XC27 mountain bike is an excellent beginner’s bike.  Once you fall in love with mountain biking, you can upgrade it.

Other budget mountain bikes to consider:

GT Aggressor Review
Trek 820 Review

Northrock XC27 Mountain Bike Features

Tektro mechanical disc brakes for control regardless of conditions
Tektro mechanical disc brakes

Let us dive into the general features of our preferred mountain bike. The Northrock XC27 Mountain bike is a great way to get around, especially if you are going off-terrain.

It has a hand-built 6061 aluminum alloy press-formed to frame, and it is light and responsive. It also has tektro mechanical disc brakes; this is to control the bike regardless of conditions.

It has fast-rolling tires that devour obstacles and improves general trail control. It’s a lightweight and strong wall-rimmed bicycle. Moreover, it has stainless steel spokes that are designed to handle elements.

What makes the Northrock XC27 Mountain Bike different and more useful than most bikes is that it is rustproof, low maintenance, has a bottle cage, rear bike rack, child seat, and fenders. It is also finished with a transparent rustproof paint process.

We found the bike to have quick acceleration, which is a great perk if you like to live on the wild side! The tires roll over the trail with ease; there’s no need to worry that the bike won’t take you where you want to go. This gives you more control and agility than you would with your average bike. And this is why we love the Northrock mountain bike. It’s an ideal companion.

The tektro mechanical disc brakes are super responsive, so go easy with the front brake until you get used to them – you could easily end up over the handlebars.

We found the Velo Mountain performs saddle to be pretty hard on your rear, but this is standard with most mountbikes, even if you are spending over $1000.

Northrock XC27 Mountain Bike Gears

The bike allows you to climb effortlessly with a wide range of gears. It’s got a great KMC chain for durability and reliability. It also has a Shimano Altus 21-speed drivetrain and rapid tire shifters. This allows you to control the bike in quick shifting, controlled manner. It also allows you to include brake levers for secure adjustment settings and control.

Suspension and Alloys of the northrock xc27 mountain bike

The mountain bike has a front suspension form designed for its 27.5″ frame. This allows it to handle unpredictable terrain, alloy lightweight, rustproof rims for greater strength and durability. This applies to when it is on and off the road. The stainless steel allows the Northrock XC27 Mountain Bike to handle all elements.

For a deeper look at this mountain bike, check out Gear Know-How’s review.  We are currently filming our own reviews, so will update this page with our video when we have finished editing.

Northrock XC27 V XC29 – Spec Comparison Table

SpecificationsNorthrock XC27Northrock XC29
Wheel Size27″ (69.9 cm)29″ (73.6 cm)
FrameAll-aluminum 6061, 27.5″ specific geometry, press formed lightweight aluminum frame, fender/rack mounts, water bosses, replaceable derailleur hangerAll-aluminum 6061, 29″ specific geometry, press formed lightweight aluminum frame, fender/rack mounts, water bosses, replaceable derailleur hanger
Internal Cable RoutingYesYes
Frame SizeMedium 17.5″ (44.45 cm), fits riders 5’7″ to 6’1″ (1.7 m to 1.8 m)Medium 17.5″ (44.45 cm), fits riders 5’8″ to 6’3″ (1.7 m to 1.9 m)
ColorBlack matte and gloss finish, vibrant neon and silver gloss graphicsCarbon matte finish, black and red gloss graphics
ForkSR Suntour XCE 27.5″ (69.9 cm), preload, 80 mm travelSR Suntour XCE 29″ (73.6 cm), preload, 80 mm travel
HeadsetSealed integrated threadlessSealed integrated threadless
CrankShimano TY501, 42/34/24T, 170mm lengthShimano FC-TY501, 42/34/24T
Bottom BracketSealed cartridgeSealed cartridge
Rear DerailleurShimano Altus M310Shimano Altus M310
ShifterShimano Altus EF-500 Rapid-Fire (21 Speeds)
CogsetShimano (14-28T)Shimano (14-34T)
ChainKMC-Z50KMC-Z50
BrakesTektro mechanical dual discTektro mechanical dual disc
Brake LeversShimano Altus EF-500 integrated with shifterShimano Altus EF-500 integrated with shifter
Front Hub32H alloy with quick-release32H alloy with quick-release
Rear Hub32H alloy with quick-release32H alloy with quick-release
SpokesStainless-steelStainless-steel
RimsAlloy double wallAlloy double wall
TiresMaxxis mountain, 27.5″ x 2.2″ (69.9 cm x 5.6 cm)Maxxis mountain, 29″ x 2.2″ (73.6 cm x 5.6 cm)
HandlebarsNR 31.8 mm low rise black alloyNR 31.8 mm low rise black alloy
GripsVelo ergonomic dual density comfort gripVelo ergonomic dual density comfort grip
StemNR sport, 10-degreeNR sport, 10-degree
Seat PostAlloy micro adjust 30.9 mm with quick-releaseAlloy adjustable 30.9 mm with quick-release
SeatVelo mountain performanceVelo mountain performance
KickstandIncludedIncluded
Assembly ToolsIncludedIncluded

Northrock XC27 FAQs

Where to buy the Northrock Xc27?

The Northrock Xc27 is available and selected Cosco store and some Walmarts.

Is Northrock a good bike?

Northrock bikes are generally considered good bikes, offering a balance of performance, quality, and affordability. They are designed for various riding styles, from casual commuting to mountain biking. Northrock bikes are known for their solid build, reliable components, and reasonable prices, making them a popular choice for many riders.

How much does a Northrock XC27 mountain bike weigh?

The exact weight of the Northrock XC27 mountain bike is not provided in the specifications. However, most mountain bikes with similar components and aluminum frames weigh between 28 to 34 lbs (12.7 to 15.4 kg).

What size is Northrock XC27?

The Northrock XC27 mountain bike is designed with a medium 17.5-inch (44.45 cm) frame size. It is suitable for riders with a height of 5 ft 7 in to 6 ft 1 in (1.7 m to 1.8 m).

Does Giant make Northrock bikes?

Yes, Northrock mountain bikes are manufactured by Giant in China, exclusively for Costco.