Twitter MT390 U4000-9S MTB Aluminum Alloy Mountain Bike
| 🛡️ 3 Years Warranty | 🏆 30 Days Return |
| 🚚 Free Shipping | ⚡ 16-23 Days Delivery |
MT390 MTB, AL6061-T6 Mountain Bike
● MTB, AL6061-T6 Inner cables Frame ● TW Alu alloy, Coil suspension, Manual-lockout ● CUES/U4000-9S CUES/U4000-2*9S ● TEKTRO Hydraulic Disc, 160/160mm


Twitter MT390 U4000-9S MTB Aluminum Alloy Mountain Bike
Suitable for use in multiple scenarios
Twitter MT390 U4000-9S Road Bike
● Relaxing and leisurely cycling
● Competitive Cycling
● Commuting to work by bike


CONQUER THE RUGGED
Reshape the contours of the mountains and fields Aluminum alloy mountain bike
● AL6061-T6, XC Frame
● Four configuration options Hydraulic disc brake
● MgAl alloy air suspension, remote
FRAME GEOMETRY DIAGRAM


Easy to Control Steady Even on Gravel Roads
Alu alloy, Handlebar
Lighter than steel frames, tougher than carbon frames it's not a compromise, it's purer control. Lightweight aluminum alloy: get 90% of the performance for half the budget.
● Corrosion-resistant
● High Rigidity
● Lightweight
MT390 AL6061-T6, XC, Thru-axle Frame
Mountain / Flat Welding Putty / Internal Wiring
Aluminum aloy has good plasticity and ductility, low density, high strength, shock absorption, high load-bearing impact capacity, and good corrosion resistance to organic substances and alkalis.
● Lightweight
● High Strength
● Corrosion Resistant
● Cost-Effective


EASY TO USE AND DURABLE
Alu Alloy, Coil Suspension Fork
The front fork balances efficiency on flat roads with comfort on rough terrain, while also being lightweight, durable, and easy to handle. It's a very cost-effective and practical setup for a mountain bike.
International Big Brand CUES/U4000-9S Gear Shift Kit

Impact-resistant, corrosion-resistant, ride freely.
● Sun-resistant
● Corrosion-resistant
● Flat Welding
● High Load-bearing Capacity
Sturdy and durable, worry-free maintenance kit. It does not pursue lightweight design or competitive-level shifting speed, but instead focuses on durability, smoothness, and compatibility. If you mainly use it for daily city commuting, weekend leisure rides, orlong-distance travel.
Flat Welding, Strong Lightweight Load-bearing
AL6061-T6, XC Frame
The bike frame is heavy, carrying the bike is exhausting.
Precise Frame Geometry Design
Road feel bumpy handling feels weak, enjoy the bike.
Efficient and Reliable Brake System
Slamming the brakes on muddy roads, my heart panics.
Reliable Braking TEKTRO Hydraulic Disc
Controlled as needed, responds in a flash!
● Mountain trails
● Endurance riding
● City commuting
The front fork is made of aluminum alloy, making it lighter. It reduces the overall weight of the bike, improves riding flexibility and handling, and also has good durability and corrosion resistance, providing reliable support.
● Sensitive to the touch
● Bike Safety
● Brake stability


29 (27.5)×2.1" Lightweight all-terrain tires
Wear-resistant and Puncture-proof | Light and Easy for Cycling | Thoughtful Details
The 2.1-inch wider tire not only improves riding stability but also enhances the ability to handle complex terrain. It provides excellent grip on various surfaces like muddy roads, dry gravel, and slippery ground.
● Mountain bike durable tires, explosion-proof tread increases tire strength.
● Inner tube protective cushioning layer.
● Inner explosion-proof layer.
● The tire carcass is the main body of the tire. It's often used as a reference for TPI. The higher the TPI the more fibers there are.
● The bead is used to hold the inner tube in place, making the tire less likely to deform.
● CUES/U3020-9S Rear Derailleur
● CUES/U4000-9S Derailleur Lever
● SUMC-9S Chain
● Alu alloy, Square Axis 38T Cranksets
● SUGEK-9S, 11-36T Cassettes

Twitter MT390 U4000-9S Aluminum Mountain Bike
Handelbar Sets, Clamps, Fork, Head Sets, Washer: Alu alloy
Technical
|
Wheel Size 700C |
Frame Height 29(27.5)×15" / 17" / 19" / 21" |
|
Bike Color White, Matte Black, Matte Titanium Gray |
Net Weight M315-24S: 13.6KG; RS-30S: 13.6KG; U4000-9S: 13.6KG; U4000-18S: 13.6KG |
|
Frame MT390, MTB, AL6061-T6, Smooth welding, Inner cables |
Handelbar Sets Alu alloy, Matte, Handlebar 31.8×720, Stem 60, Seat post 31.6×350mm |
|
Seat Post Alu alloy, 31.6×350mm |
Clamps Alu alloy, Quick release 34.9mm |
|
Fork TW Alu alloy, Coil suspension, Manual-lockout |
Head Sets Inner-Cables routing, Sealed bearings 52*52mm |
|
Washer Alu alloy 3×28.6×10mm |
Hubs RS Alu alloy, 2-sealed Bearings, HG, Disc, 32/32Holes |
|
Rim RS Alu alloy, Double wall with rivets, W25×H21mm |
Spoke SHUNJIU,Circular 14G |
|
Tyre CST, 29(27.5)×2.1" |
Belt PU with Comfortable & Skid resistant |
|
Saddle Comfortable and Lightweight for MTB |
Pedals Alu alloy, Lightweight & Skid resistant |
|
Cables JAGWIRE, Internal cables, External cables |
Accessories Standard safety reflector for Handelbar + Seat post + Front wheel + Rear wheel PC Bottle cage + Tools + Rear kickstand Manual + Warranty card |
|
BB M315-24S: Hollow & Bearings, BSA68×24; RS-30S: Hollow & Bearings, BSA68×24; U4000-9S: Kenli, Sq axis, BSA68 & Bearings; U4000-18S: Hollow & Bearings, BSA68×24 |
Brake TEKTRO hydraulic disc, 160/160mm |
|
Grips Circular 22.2×120mm with Comfortable |
ConfRev Compare
| Gear Shift |
M315-24S |
RS-30S |
U4000-9S |
U4000-18S |
|
Derailleur Lever Front Derailleur Rear Derailleur Cranksets Cassettes Chain |
SHIMANO M315-3*8S SHIMANO TY500 SHIMANO TY300 RS, Alu alloy, Hollow 24-32-42T SUGEK-8S, 11-32T SUMC-8S |
RETROSPEC(LTWOO)-3*10S RETROSPEC(LTWOO)-3S RETROSPEC(LTWOO)-10S RS, Alu alloy, Hollow 24-32-42T SUGEK-10S, 11-36T SUMC-10S |
SHIMANO CUES/U4000-9S None SHIMANO CUES/U3020-9S RS, Alu alloy, Square axis 38T SUGEK-9S, 11-36T SUMC-9S |
SHIMANO CUES/U4000-2*9S SHIMANO CUES/U4000-2S SHIMANO CUES/U3020-9S RS, Alu alloy, Hollow 32-42T SUGEK-9S, 11-36T SUMC-9S |
Announcement from the exclusive distributor
We hereby announce that the Twitter MT390 U4000-9S is available for purchase exclusively on the official Twitter website in Europe and the United Kingdom. This means that Twitter is the sole authorized seller of this product in this region. Selling the Twitter MT390 U4000-9S on any other website or platform constitutes a violation of false advertising laws. We remind all consumers that only Twitter MT390 U4000-9S products sold on the official Twitter website are genuine. Do not be misled by other websites or sellers claiming to offer our product. Buyers who purchase from unauthorized sources may receive counterfeit products, incur additional costs or disappointments related to delivery delays, or receive products that do not meet specified standards. We have a team of experienced professionals dedicated to protecting our rights. Twitter reserves the right to take legal action in the event of any infringement of its exclusive sales and distribution rights. We encourage consumers to report any fraudulent activity or misleading information regarding the Twitter MT390 U4000-9S on any platform other than the official Twitter website. Thank you..
Range Test in Practice
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