# TWITTER Bikes GTR (SP) MTB Aluminum Alloy Mountain Bike – Independent Cycling Brand (No Affiliation with X Social Platform)

TWITTER Bikes is an independent bicycle manufacturer and registered bicycle trademark. We are not affiliated with, endorsed by, sponsored by, or associated with X (formerly Twitter) or X Corp.

  

## **Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike**

  

**FROM DUST TO GLORY**  
CLIMB STEEP SLOPES LIKE A BEAST. Mountain cross-country dirt hill.  
  
**AL6069 Frame**: Thru-axle 12\*142mm Boost/V Smooth weld  
**U4000-9S Gear Shift**: RS(LTWOO)-12S M6100-12S  
**Fork**: Alu alloy, Coil suspension, Manual-lockout  
**TEKTRO Brake**: hydraulic disc  
**Rim**: Alu alloy, Double wall with rivets  
**Hubs**: Alu alloy, 4-sealed Bearings

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-01.webp?v=1781170395)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-02.webp?v=1781170395)

  

## **Suitable for use in multiple scenarios**

  

**G2 Max Aluminum Alloy Professional Gravel Road Bike**  
● On the steep slope, lightness is the hard truth.  
● Flexible control shuttling through the light and shadow in the forest.  
● Fearless of bumps let every landing be calm.

  

## **Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike**

  

## **Video Show GTR (SP)**

  

## **FRAME GEOMETRY DIAGRAM**

  

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-03.webp?v=1781170395)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-09.webp?v=1781170395)

  

## **TEKTRO Hydraulic Disc**

  

**Safe and reliable, with faster and more stable braking.** The hydraulic system provides braking force far beyond that of mechanical disc brakes,with a smooth feel and linear control over force. Emergency braking responds quickly, effectively shortening the stopping distance.

  

## **Dual-piston Drive**

  

● Double pistons  
● Simultaneously squeeze the brake pads  
● Ensure the brake pads fully contact the disc  
● Powerful braking performance

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-10.webp?v=1781170395)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-11.webp?v=1781170395)

  

## **Easy to control the bike, stable even on gravel roads  
Alu alloy, Matte, Handlebar**

  

**Straight 31.8\*720 / riser 45 / double nail seat pipe 31.6\*350mm** Lighter than steel, tougher than carbon, 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

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-06.webp?v=1781170395)

  

## **GTR Not Chasing Speed Only Chasing Freedom**

  

**XC level for MTB / Strength AL6069 Frame**  
Aluminum alloy has good plasticity and ductility, low density, high strength, good heat dissipation, good shock absorption, strong load impact capacity, and good corrosion resistance to organic substances and alkalis.

  

## **Double-layer structure, reinforced with rivets, conquering every journey  
Lightweight Aluminum Strip Rivet Wheel Rim**

  

Through precision cutting processes, the weight is reduced while ensuring strength. With every pedal stroke, you can feel the thrll of acceleration, making climbing and sprinting more effortless.  
● Impact－resistant ● Smooth and quiet ● Low resistance ● Easy to maintain

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-16.webp?v=1781170395)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-17.webp?v=1781170395)

  

## **Make Every Ride Free and Limitless  
LIGHTWEIGHT ALL-TERRAIN VEHICLE TIRES**

  

**27.5(29)\*2.1" two types of wheel sizes** A larger diameter allows it to roll more smoothly over obstacles such as tree roots and rocks, reducing bumps and energy loss, making it easier to maintain a riding rhythm, and effectively improving the efficiency of long-distance cycling.  
  
● 2.1" Tire Width: More stable than narrow tires, lighter than wide tires  
● Central continuous low-resistance pattern: approximately 15% easier for flat road cruising

  
● DEORE / M6100-12S Rear Derailleur  
● SUMC-12S Chain  
● Alu alloy, Square axis 38T Cranksets  
● SUNSHINE-12S, 11－50T Cassettes

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-08.webp?v=1781226195)

## **International Big Brand** DEORE / M6100-12S Gear Shift Kit

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-06.webp?v=1781170395)

Shifting is faster and smoother, allowing precise switching to the desired gear while riding. Whether climbing, descending, or riding on flat roads, it enables the rider to easily find the suitable gear ratio.

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-07.webp?v=1781170395)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-04.webp?v=1781170395)

Flat welding, lightweight with strong load-bearing capacity, resistant to impact and not easily deformed, making cycling safer.  
  
● Lightweight ● Corrosion-resistant ● Flat welding ● High load-bearing

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-05.webp?v=1781170395)

## **SHOULDER CONTROL ADJUSTMENT, TWIST TO LOCK  
Alu alloy, Coil suspension, Manual-lockout**

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-12.webp?v=1781170395)

**120, Thru-axle 15\*110mm Boost** Magnesium-aluminum lightweight body, smooth inside in black. Shoulder control in hand, air pressure follows your wish. Light, smooth, easy to adjust - this is a good front fork.  
  
**Convenient**: Shoulder Control Lock  
**Smooth**: Inner tube black coating  
**Lightweight**: Magnesium-aluminum alloy

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-13.webp?v=1781170395)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-14.webp?v=1781170395)

  

## **《Unlock Mode》**

  

Easily and steadily get over rough roads

## **《Lock mode 》**

  

Happy riding on flat roads

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-D-15.webp?v=1781170395)

## **Twitter GTR (SP) Mountain Bike**

Handelbar Sets, Clamps, Fork, Head Sets, Washer: Alu alloy

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-01.webp?v=1781170376)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-02.webp?v=1781170376)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-03.webp?v=1781170376)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-04.webp?v=1781170376)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-05.webp?v=1781170376)

![Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike](https://cdn.shopify.com/s/files/1/0805/3103/0261/files/Twitter-GTR-SP-MTB-Aluminum-Alloy-Mountain-Bike-06.webp?v=1781170376)

  

## **Technical**

  

**Wheel Size**  
700C

**Frame Height**  
27.5(29)×17"

**Bike Color**  
Candy Green, Matte Black, Titanium Gray

**Net Weight**  
U4000-9S: 13.8KG; RS-12S: 13.8KG; M6100-12S: 13.8KG

**Frame**  
GTR, XC level for MTB, AL6069, Strength, Thru-axle 12\*142mm Boost, Smooth weld

**Handelbar Sets**  
Alu alloy,Matte,Handlebar 31.8×720,Stem 45mm,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, 120, Thru-axle 15\*110mm Boost

**Head Sets**  
Alu alloy CNC with sealed Bearings 44\*56mm

**Washer**  
Alu alloy 3×28.6×10mm

**Hubs**  
RS Alu alloy, 4-sealed Bearings, HG, Disc brake, 32Holes, Thru-axle F15×110\_R12×142mm Boost

**Rim**  
RS Alu alloy, Double wall with rivets, W25×H21mm

**Spoke**  
SHUNJIU, Circular 14G

**Tyre**  
CST, 27.5(29)×2.1"

**_Belt_**  
PU with Comfortable & Skid resistant

**Saddle**  
Comfortable and Lightweight for MTB

**Pedals**  
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  
TW Manual + Warranty card

**BB**  
Kenli, Square axis, Bearings, BB73, threaded

**Brake**  
TEKTRO hydraulic disc, 160/160

**Grips**  
Circular 22.2×120mm, PU leather & locking Ring

  

## **ConfRev Compare**

  

**Bike Specs**

**U4000-9S**

**RS-12S**

**M6100-12S**

Derailleur Lever

SHIMANO CUES/U4000-9S

RETROSPEC(LTWOO) -12S

SHIMANO DEORE/M6100-12S

Front Derailleur

None

None

None

Rear Derailleur

SHIMANO CUES/U3020-9S

RETROSPEC (LTWOO)-12S

SHIMANO DEORE/M6100-12S

Cranksets

RS, Alu alloy, Square axis, 38T

RS, Alu alloy, Square axis, 38T

RS, Alu alloy, Square axis, 38T

Cassettes

SUNSHINE-9S, 11-36T

SUNSHINE-12S, 11-42T

SUNSHINE-12S, 11-50T

Chain

SUMC-9S

SUMC-12S

SUMC-12S

Net Weight

13.8KG

13.8KG

13.8KG

  

## **Twitter Bike Size**

  

Size

A

B

C

D

E

F

G

H

I

J

K

BB center to head of seat tube

Effective head tube horizontal

BB offset

Chainstay length

Seat angle

Head angle

Front center

Head tube length

Fork offset

Reach

Stack

43.5

43

500

72

410

74.5°

71°

562

110

45

360

506

46

460

517

72

410

74.5°

71°

577

120

45

376

510

48

480

535

69.5

410

74°

72.5°

579

125

45

387

517

50

500

541

69.5

410

74°

72.25°

589

130

45

390

528

52

520

561.6

67

410

73°

73°

592

140

45

395

545

54

540

573

67

410

73°

73°

604

150

45

402

562

  

## **5 TYPES OF FRAME SIZES**

  

Wheel Diameter Size

700 C

700 C

700 C

700 C

700 C

700 C

Elevated Dimensions

43.5 cm (XXS)

46 cm (XS)

48 cm (S)

50 cm (M)

52 cm (L)

54 cm (XL)  
CUSTOM-MADE

Match Height

155-165 cm

166-172 cm

168-175 cm

175-180 cm

180-185 cm

185-190 cm

\* Because everyone's body shape is different, proportions vary, and there may be certain deviations during manual measurement.  
\* This size chart is for reference only.

## **Announcement from the exclusive distributor**

We hereby announce that the Twitter GTR (SP) is available for purchase exclusively on the official Twitter website. This means that Twitter is the sole authorized seller of this product in this region. Selling the Twitter GTR (SP) on any other website or platform constitutes a violation of false advertising laws. We remind all consumers that only Twitter GTR (SP) 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 GTR (SP) on any platform other than the official Twitter website. Thank you.

## **Features**

Robust AL6069 Frame - Experience the strength and durability of our AL6069 frame, designed for exceptional performance. The lightweight yet sturdy construction allows for agile handling while ensuring stability on rugged terrains. With a thru-axle 12x142mm Boost and smooth welds, this frame is ready to conquer any mountain.  
  
Precision Gear Shifting - Equipped with the advanced U4000-9S Gear Shift system, the Twitter GTR guarantees fast and reliable shifting. Whether you're navigating steep climbs or cruising on flat roads, enjoy seamless transitions and enhanced control to tackle every challenge with confidence.  
  
TEKTRO Hydraulic Disc Brakes - Experience superior stopping power with our TEKTRO hydraulic disc brakes. Designed for safety and reliability, these brakes offer swift response and excellent modulation, ensuring you can tackle descents and tricky terrains with peace of mind.  
  
Lightweight and Durable Tires - Our 27.5 (29)x2.1" tires strike the perfect balance between stability and agility. With a central low-resistance pattern, they provide exceptional grip and minimize energy loss, allowing you to ride smoothly over obstacles and maintain your momentum effortlessly.  
  
Adjustable Suspension for Comfort - The adjustable coil suspension fork allows you to customize your ride for both rough trails and smooth paths. With a manual-lockout feature, switch effortlessly between terrains, ensuring comfort and control without compromise.  
  
Elegant Design Options - Choose from an array of stunning colors like Candy Green, Matte Black, and Titanium Gray. Each bike is crafted not only for performance but also to stand out on the trails, making a bold statement wherever your adventures take you.

## **FAQs**

What is the price of the Twitter GTR (SP) mountain bike? - The Twitter GTR (SP) mountain bike is priced at good. This price includes great features and quality to enhance your riding experience.  
  
What warranty does the Twitter GTR (SP) come with? - The Twitter GTR (SP) mountain bike comes with a 3-year warranty. This means that if you face any issues or defects within three years of purchase, you can get help or repairs.  
  
Can I return the bike if I don't like it? - Yes! You can return the bike within 30 days if you're not satisfied. Just make sure it is in good condition and follow the return instructions provided.  
  
How long does it take to receive my bike after ordering? - Due to high order volumes, it may take up to 25 business days to ship your bike. We understand that waiting can be tough, but we're working hard to get your bike to you as quickly as possible!  
  
Is shipping free for the Twitter GTR (SP)? - Yes, shipping is completely free for the Twitter GTR (SP) mountain bike! This helps you save money when getting your new bike delivered.  
  
What materials are used in the bike's frame? - The frame of the Twitter GTR (SP) is made from AL6069 aluminum alloy. This material is strong, lightweight, and resistant to corrosion, making it perfect for mountain biking.  
  
What type of brakes does the bike have? - The bike features TEKTRO hydraulic disc brakes. These brakes provide powerful stopping power and smooth control, ensuring your safety while riding.  
  
What sizes are available for the bike? - The Twitter GTR (SP) mountain bike comes in various sizes to fit different heights. Sizes range from XS for shorter riders to XL for taller ones, so everyone can find a comfortable fit.  
  
Can I buy the bike in different colors? - Yes! The Twitter GTR (SP) mountain bike is available in several colors, including Candy Green, Matte Black, and Titanium Gray. You can choose the color you like the most.  
  
How can I contact customer support if I have questions? - You can reach out to customer support through the official Twitter website. We are ready to assist you with any questions or concerns you might have about your bike.  
  

Tags: Twitter GTR MTB, Aluminum Alloy Mountain Bike, hydraulic disc brakes, lightweight mountain bike, mountain bike features, gravel road bike, bike with warranty, factory wholesale bike

## Details

- **Price:** 1239.99 USD - 1299.99 USD
- **Vendor:** Twitter Bikes
- **Type:** TwitterBike
- **Tags:** Twitter Mountain Bike

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| M6100-12S / Candy Green | 1299.99 USD | In stock |
| M6100-12S / Matte Black | 1299.99 USD | In stock |
| M6100-12S / Titanium Gray | 1299.99 USD | In stock |
| RS-12S / Candy Green | 1269.99 USD | In stock |
| RS-12S / Matte Black | 1269.99 USD | In stock |
| RS-12S / Titanium Gray | 1269.99 USD | In stock |
| U4000-9S / Candy Green | 1239.99 USD | In stock |
| U4000-9S / Matte Black | 1239.99 USD | In stock |
| U4000-9S / Titanium Gray | 1239.99 USD | In stock |

## Images

- Green bicycle on a white background Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike
- Black bicycle on a white background Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike
- Gray bicycle on a white background Twitter GTR (SP) MTB Aluminum Alloy Mountain Bike

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> Source: [Official Twitter Bikes Factory Store](https://www.twitterbikefactory.com/products/twitter-gtr-sp-mtb-aluminum-alloy-mountain-bike)
> Updated: 2026-08-03
