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About this item
2021 GW SCORPION-29-Hardtail Mountainbike
GW SCORPION Rin 29 allows you to roll on all types of terrain with superhuman abilities and become a Scorpion. great design and performance so that you can maximize your rides pedaling through amazing terrain.
Why is your best bet
You want to have fun in our GW Scorpion mountain bike with upgrades on the parts that make a big difference in performance, like a lighter GW Hydroformed Aluminum 6061 frame higher quality suspension fork with quick release, a 29-inch wheel, and much more.GW Scorpion is an affordable bike that lets you explore off-road riding without the giant price tag that comes with higher-end MTBs.
The tech you get
A light frame with internal cable routing, a smoother-feeling GW Quick-release lockout shock, Shimano disc brakes, GW Seven7AL Drivetrain, 29 Inch Wheels with all-terrain CHAOYANG 29*2.25″ tires.
Ultra-efficient
The frame is engineered with the highest stiffness-to-weight ratio of any hardtail mountain bike in its class, which translates to ultra-efficient pedaling power and precise handling on the trail. GW Scorpion Larger 29-inch diameter wheels roll over rough terrain with balance and stability, giving you momentum on technical climbs and confidence on fast single-track descents.
GW Scorpion with its lightweight aluminum 29er combines efficiency and balanced control, just the right combination for XC performance. It has the recognition, guarantee, and endorsement of the prestigious GW brand.
GW is a leading brand in the cycling market and a sponsor of great athletes. GW “Made for Winners.”
Shimano Brakes
Internal Cable Routing
29-INCH WHEELS
GW SUSPENSION FORK
GW ACCESSORIES
GW Engineering design to make the rider feel comfortable while enjoining the travel. Ergonomic saddle and Accessories that offer loads of support from the rear end, good comfort, and generous padding. also *rack mount holes ready if you want to add a basket or a second sit.
Specifications
*Spec applies to all sizes unless otherwise noted |
Frameset
Frame |
GW SCORPIO 29” ALUMINUM HYDROFORMED 6061, FULL INTERNAL WIRING, DISC BRAKE, OVERSIZE 1-1/8, ENGLISH THREAD 1.37*24T, SEATPOST 27,2 MM |
*Fork |
GW STEEL 9MM QUICK RELEASE, DISC BRAKE, 28.6 MM, MANUAL MECHANICAL LOCK |
Brake: Post mount 160mm Direct | |
Max compatible fork travel |
100mm,80mm |
Wheels
Hub Front |
GW Front Hub
Quick Release – MTB |
Hub Rear |
GW Rear Hub
Quick Release – MTB |
Skewer rear |
GW Switch thru axle, removable lever |
Rim |
GW ALUMINUM 29 M20 DISC BRAKE 36H* SCHRADER VALVE |
Spokes |
14G * 283 MM / 285 MM * 12 MM |
*Tire |
29X2.1 27 TPI ALL TERRAIN |
29X2.1 27 TPI ALL TERRAIN | |
*Tire tube |
29X1.95 / 2.125 A / V 33 MM |
Rim strip |
GW 29X20MM |
Max tire size |
Frame: 29×2.60″ Fork: see the manufacturer |
Drivetrain
Shifter |
SHIMANO INTEGRATED SHIFT AND BRAKE LEVER |
Rear derailleur |
SHIMANO TOURNEY TZ
RD-TZ500, TZ, GS 6 |
Crank |
GW SEVEN7AL 24/34/42 T * 170 MM |
Bottom bracket |
GW SQUARE TAPER 122.5 MM |
Cassette |
SHIMANO TZ-500 14-28T BROWN |
Chain |
SILVER ½” *3/32*114L |
Pedal |
NYLON FEIMIN 9/16 BLACK |
COMPONENTS
Saddle |
GW SCORPION 280 * 140MM COLORS |
Seat post |
GW KIT SCORPION ALUMINUM 27.2MM L: 350 MM |
Handlebar |
GW KIT SCORPION ALUMINUM 720MM*31.8MM SWEEP 6 |
Stem |
GW KIT SCORPION ALUMINUM 31.8MM*28.6MM 70/80/90 |
Headset |
GW SEMI-INTEGRATED OVERSIZE 28.6 MM 1/18 |
Brake |
SHIMANO MOUNTAIN BICYCLE SHIFTER BRAKE LEVER SET – ST-EF41-7 |
GW ALUMINUM MECHANICAL 160MM/6 SCREWS QR |
Weight
Weight |
M – 31Lbs / 15.5 kg |
Weight limit |
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
How to measure for a Mountain bike
Properly measuring for a bike is incredibly important and being comfortable matters to both professional and casual cyclists alike.
Mountain bikes come in standard sizes (S, M, L) that generally correspond to your height. Many bike manufacturers include size charts that list a height range for each bike size. (If you’re in-between sizes, it’s best to bit on the smaller side as more sizing accommodations can be made with a smaller frame than with one that’s too large.)
Having a basic understanding of bike geometry can also be helpful when comparing one bike to another or dealing with a specific fit issue. A few of the key indicators are:
- Effective top tube length
- Reach
- inside height
- Seat height
Mountain Bike Effective Top Tube and Reach
Effective top tube (ETT) describes the horizontal distance between the head tube and the seat tube, regardless of whether you have a straight top tube or one that slopes down. ETT is a common measurement to look at when sizing a bike and is a good indicator of how long a bike will feel while you’re seated.
Reach is the distance from the center of the bottom bracket to the center of the head tube in a horizontal line. Reach has become a more popular way to measure length on mountain bikes because it identifies how long a bike will feel while you’re out of the saddle, a common position to be in when descending or climbing steep singletrack.
Mountain Bike Inside Leg Height
Though it’s not used as frequently as it once was to size bikes, inside leg height can still be an indicator of whether or not a bike fits you.
First, make sure you can straddle your bike with your feet flat on the floor. When you lift a mountain bike, you want 2″ minimum clearance between the tires and the ground. This allows you to be comfortable getting off the saddle for quick dismounts on the trail. It is not unusual for aggressive riders to seek out 3″ to 5″ of clearance. Be sure to wear your cycling shoes when evaluating inseam height, since they may affect your overall leg length.
Keep in mind that the amount of clearance is largely affected by the slope of the top tube down toward the rear wheel. For example, if the slope is dramatic, you’ll likely have ample clearance no matter what size the frame is. Because of this, you can’t rely solely on inside leg clearance to determine if a bike fits.
Online Shopping Tips: REI and most bike brand websites include sizing charts for bikes featured online. Look for listed Inside leg heights and compare that number to your inseam. The difference between your inseam and the Inside leg height should fall within the target ranges. (For example, if you have a 30” inseam, you’ll want a mountain bike with about a 28” Inside leg height.)
To measure your inseam: Gather a large hardcover book or notebook, tape measure and pencil. Then:
- Stand against a wall (with bike shoes on).
- Straddle the book, spine up, as if you were sitting on a saddle.
- Use the pencil to mark where the spine of the book meets the wall.
- Measure from the mark to the floor. This is your inseam.
- Repeat the measurement another time or two to make sure it’s accurate.
Mountain Bike Seat Height
When deciding if a bike fits you properly it’s important to have the seat height correctly adjusted so you can get an accurate feel for the bike. To check your seat position, ask a sales associate or friend to hold the bike upright while you step on the saddle:
Proper position for ascending hills and riding flat ground: With your foot at the bottom of the pedal stroke, you should see a slight bend in the leg, reaching about 80-90 percent of full leg extension. This helps you pedal efficiently and powerfully using your major leg muscles.
Proper position for descents: Lowering your seat lowers your center of gravity, which gives you better control and more confidence through steep descents. You’ll need to experiment with different seat heights to find what feels best but start by lowering your seat about 3 in. from the height you set it at for climbing hills and riding flat terrain.
Adjusting the seat height: Release the quick-release lever on the seat post (or use a wrench if there’s a binder bolt) and raise or lower the post as needed. Be cautious not to raise the post outside the “minimum insertion mark” etched into its side. (If you need to change the seat height that dramatically, you might need a different frame size.)
Retighten the quick-release lever or binder bolt before riding. (Be cautious not to overtighten the binder bolt. Use a torque wrench to tighten the bolt to the manufacturer’s requirement. Be especially careful with a carbon-fiber frame and/or seat post.)
If you expect to progress quickly on your mountain bike, you may want to look for bikes with dropper seatposts or consider adding one. These seatposts let you raise or lower the seat by pushing a button, helping you adjust instantly to varying terrain.
Men’s Bike sizing chart
Height |
Inside leg |
Men’s road bike size |
Men’s mountain bike size |
Men’s hybrid bike size |
147cm-152cm / 4’10”-5’0″ | 66cm / 26″ | 47, 48cm (XX Small) | 13” (X Small) | 13”, 14″ (X Small) |
152cm-160cm / 5’0″-5’3″ | 69cm / 27″ | 49, 50cm (X Small) | 13”, 14” (X Small) | 14”, 15” (X Small, Small) |
160cm-170cm / 5’3″-5’7″ | 71cm / 28″ | 51, 52, 53cm (Small) | 15”, 16″ (Small) | 15”, 16″ (Small) |
170cm-175cm / 5’7″-5’9″ | 76cm / 30″ | 54, 55cm (Medium) | 17″, 18” (Medium) | 17″, 18” (Medium) |
175cm-180cm / 5’9″-5’11” | 79cm / 31″ | 56, 57, 58cm (Large) | 18”, 19″ (Medium, Large) | 19”, 20″ (Large) |
180cm-188cm / 5’11”-6’2″ | 81cm / 32″ | 58, 59, 60cm (X Large) | 19″, 20” (Large) | 20″, 21” (Large, X Large) |
188cm-196cm / 6’2″-6’5″ | 86cm / 34″ | 60, 61, 62cm (X Large, XX Large) | 20″, 21”, 22” (Large, X Large) | 21”, 22” (Large, X Large) |
196cm+ / 6′ 5″+ | 91cm / 36″ | 62, 63cm (XX Large) | 23″, 24” (XX Large) | 23″, 24” (XX Large) |
Fitting Women’s Mountain Bikes
Women often have uniformly slimmer shoulders and longer legs compared to their torsos than men, and women-specific bikes are designed to meet these needs. Women’s bikes often have narrower handlebars and shorter or more compact frame dimensions. Some women find that men’s bikes fit well and are comfy, but women-specific bikes may deliver a more exact fit for some.
Women’s Bike sizing chart
Height |
Inside leg |
Women’s road bike size |
Women’s mountain bike size |
Women’s hybrid bike size |
147cm-155cm / 4’10”-5’1″ | 66cm / 26″ | 44, 45, 46cm (XX Small) | 13”, 14″ (X Small) | 13”, 14″ (X Small) |
155cm-160cm / 5’1″-5’3″ | 69cm / 27″ | 47, 48, 49cm (X Small) | 13”, 14” (X Small) | 14”, 15” (X Small, Small) |
160cm-165cm / 5’3″-5’5″ | 71cm / 28″ | 50, 51, 52cm (Small) | 15”, 16″ (Small) | 15”, 16″ (Small) |
165cm-172cm / 5’5″-5’8″ | 76cm / 30″ | 53, 54, 55cm (Medium) | 17″, 18” (Medium) | 17″, 18” (Medium) |
172cm+ / 5’8″+ | 79cm / 31″ | 56, 57cm (Large) | 19″ (Large) | 19″ (Large) |
Fitting Kids’ Mountain Bikes
If you’re buying a bike for a young rider, it’s easy to want one they’ll “grow into,” but it’s especially important to buy a bike that fits well so he or she can ride comfortably and confidently while learning.
Inside leg height: As with adult bikes, check the Inside leg height. Whatever the top-tube style, look for about 2″–4″ of clearance.
Seat height: Most kids’ bikes are designed so they ride in a more upright position. They should be able to sit comfortably, see around them easily and grip the handlebars with a slight bend in their elbows. Their legs should be slightly bent at the bottom of the pedal stroke.
Kids Bike sizing chart
Approx. age |
Min. inside leg |
Wheel size |
Frog Bike size |
1-2 years | 24cm / 9″ | 10″ | Tadpole |
2-3 years | 31cm / 12″ | 12″ | 13”, 14” (X Small) |
3-4 years | 38-43cm / 15-17″ | 14″ | Tadpole Plus, Frog 40, |
Frog 43, Frog 444-5 years48cm / 19″16″Frog 44, Frog 485-7 years52-58cm / 20-23″20″Frog 52, Frog 55,
Frog Road/Track 588-12 years62-67cm / 24-26″24″Frog 62, Frog Road/Track 6710-14 years69-78cm / 27-31″26″Frog 69, Frog Road/Track 70, Frog
MTB 72, Frog 73,Frog 78
Frequent questions
1. What are the frame sizes? -It is available in sizes S, M, and L in 29 “rim.
2. What model is the suspension? Good afternoon; GW STEEL 9MM QUICK RELEASE, DISC BRAKE, 28.6 MM, MANUAL MECHANICAL LOCK’
3. What’s the travel range from the fork? it is 80mm to 100mm
4. What are the specs of the frame?
- Material: Aluminum
- Weight: 1.79 Kg
- Rin: 29
- Brake: Disc
- Front: Tapered 1-1 (8 * 1.5 “)
- Covers: Internal
- Size: M and L available
- Center system: GW SQUARE TAPER 122.5 MM
- 5-year warranty for welding defects or cracks.
5. Where can I get touch-up paint? We do not provide touch-up paint, but nail polish or model paint from your local hobby store often works well. For a more precise match, we recommend contacting a body shop in your area for a touch-up.
6. What length are the handlebars? 720mm? The handlebar is 31.8*720MM / Sweep 6
7. What is the length of the seat post? The length of the seat post is 27.2 mm L 350MM