FOMTOR
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FOMTOR 25.4 31.8 Bike Stem 70mm 90mm 110mm 17 Degree Bicycle Handlebar Stem Riser MTB Stem Suitable for Mountain Bike Road Bike BMX MTB Black
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FOMTOR 25.4 31.8 Bike Stem 70mm 90mm 110mm 17 Degree Bicycle Handlebar Stem Riser MTB Stem Suitable for Mountain Bike Road Bike BMX MTB Black
FOMTOR's bicycle stems facilitate your adventures so that you can enjoy the joy of riding even more.
FOMTOR 25.4 31.8 Bike Stem 70mm 90mm 110mm 17 Degree Bicycle Handlebar Stem Riser MTB Stem Suitable for Mountain Bike Road Bike BMX MTB Black
Item #: 16723218

FOMTOR 25.4 31.8 Bike Stem 70mm 90mm 110mm 17 Degree Bicycle Handlebar Stem Riser MTB Stem Suitable for Mountain Bike Road Bike BMX MTB Black

Item #: 16723218

TZS 82757

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Friday, July 10
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FOMTOR's bicycle stems facilitate your adventures so that you can enjoy the joy of riding even more.
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What Stands Out

Versatile Sizes
Available in lengths of 70mm, 90mm, and 110mm, this bike stem caters to various rider preferences, ensuring optimal performance for both mountain and road biking.
Adjustable Angle
With a 17-degree rise, this stem allows riders to customize their handlebar height, improving comfort and control during rides on diverse terrains.
Sturdy Build
Constructed with durable materials, this FOMTOR stem provides exceptional strength and stability, enhancing overall bike performance while ensuring reliability in demanding conditions.

Product Details

Shop the FOMTOR 31.8 Stem in at Ubuy, a Tanzania. Available in 70mm, 90mm, and 110mm sizes with a 17-degree rise. Perfect for Mountain Bike, Road Bike, and BMX. Order now!

Who Should Buy?

Suitable For
  • Mountain Bikers

    Ideal for mountain bikers seeking a reliable and adjustable stem for various terrain challenges.

  • Road Cyclists

    Road cyclists will benefit from improved handlebar height and comfort during long rides with this adjustment capability.

  • Casual Riders

    Casual cyclists looking to enhance their bike’s handling and comfort will appreciate this affordable stem option.

Not Suitable For
  • Professional Racers

    Professional cyclists may find this stem's weight and adjustability less suitable for competitive racing performance.

  • Heavy Duty Bikes

    Bikes designed for heavy-duty use may require sturdier stem options that can endure greater stress and loads.

  • Beginner Mechanics

    Inexperienced users may struggle with installation and adjustments, needing simpler or pre-assembled components instead.

Product Description

FOMTOR 25.4 31.8 Bike Stem 70mm 90mm 110mm 17 Degree Bicycle Handlebar Stem Riser MTB Stem Suitable for Mountain Bike Road Bike BMX MTB Black

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What sizes are available for the FOMTOR bike stem?

    Answer: The FOMTOR bike stem comes in three adjustable sizes: 70mm, 90mm, and 110mm. This variety allows users to choose the length that best suits their riding style and body type, ensuring optimal comfort and control while cycling. For instance, a shorter stem like the 70mm is ideal for more agile handling, making it suitable for mountain biking, while the 110mm stem can accommodate riders who prefer a more extended reach for road biking. Choosing the correct size enhances your riding experience significantly.
  • Question: What is the purpose of a bike stem?

    Answer: A bike stem connects the handlebars to the bike's fork, playing a crucial role in steering and control. It affects the bike's geometry, handling, and the rider's comfort level. By adjusting the length and angle of the stem, riders can optimize their position for different terrains or riding styles, whether it be road cycling or mountain biking. For example, a riser stem can elevate the handlebars, providing a more upright riding posture, which can be particularly beneficial for mountain biking on rough trails.
  • Question: Is the FOMTOR bicycle stem suitable for different bike types?

    Answer: Yes, the FOMTOR bicycle stem is designed to be versatile, making it compatible with mountain bikes, road bikes, and BMX bikes. This adaptability is achieved through its adjustable sizes and robust build, ensuring it meets the demands of various cycling disciplines. Whether you are navigating challenging trails on a mountain bike or cruising on a road bike, this stem provides the necessary stability and control, enhancing your overall biking experience.
  • Question: What material is the FOMTOR bike stem made from?

    Answer: The FOMTOR bike stem is constructed from high-quality aluminum alloy, which provides strength, durability, and a lightweight design. This material choice ensures that the stem can withstand the rigors of various riding conditions while being lightweight enough not to add unnecessary weight to the bike. Consequently, it contributes effectively to performance, ensuring that riders can maintain speed and agility whether on challenging terrains or smooth roads.
  • Question: How does the 17-degree angle of the FOMTOR stem benefit riders?

    Answer: The 17-degree angle of the FOMTOR bike stem allows for a more vertical rise of the handlebars, which can improve comfort and reduce back strain for riders. This angle is particularly beneficial for mountain biking, where a more upright position can enhance visibility and control over rough terrain. Additionally, it caters to riders who prefer a more relaxed posture, making longer rides less taxing on the body and more enjoyable.
  • Question: Can I install the FOMTOR bike stem myself?

    Answer: Yes, installing the FOMTOR bike stem can typically be done at home using basic tools, such as an Allen wrench. The installation process involves loosening the bolts on the current stem, removing it, and securing the new FOMTOR stem in place. Many bike enthusiasts find this process straightforward and enjoy customizing their bikes. However, if you are unsure about installation, visiting a local bike shop for assistance can ensure proper fitting and alignment.
  • Question: What is the weight limit for the FOMTOR bike stem?

    Answer: The FOMTOR bike stem is designed with durability in mind, supporting standard use for the majority of riders. While specific weight limits may not be explicitly outlined, its robust aluminum construction and quality design accommodate regular cycling demands without compromising performance. It’s advisable for heavier riders or those engaging in aggressive biking styles to seek additional specifications or consult with professional bike shops to confirm suitability.
  • Question: How does the FOMTOR bike stem improve handling?

    Answer: By effectively adjusting the handlebar height and reach, the FOMTOR bike stem significantly enhances a rider's handling of their bike. A proper stem length and angle can lead to better alignment for ergonomics and bike geometry, allowing for quicker response times during turns or rough terrains. This improvement is especially notable for mountain bikers requiring immediate maneuvers on trails, giving them an advantage in maintaining speed and stability.
  • Question: Where can I buy the FOMTOR 25.4 31.8 Bike Stem?

    Answer: You can purchase the FOMTOR 25.4 31.8 Bike Stem at Ubuy in Tanzania. Ubuy offers a comprehensive selection and ensures you receive a quality product that meets your cycling needs. With its user-friendly interface and various payment options, finding the right bike stem for your mountain, road, or BMX bike is convenient and straightforward.

FOMTOR Stems Editorial Review

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

TZS 82757

Order now and get it around Friday, July 10

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • High-quality aluminum alloy construction for durability and lightweight.
  • Available in three sizes: 70mm, 90mm, and 110mm.
  • Fits 25.4mm handlebars, ensuring a secure and stable ride.
  • Easy installation with just 4 bolts for quick setup.
  • Suitable for various types of bikes including road, mountain, and BMX.
  • Designed with a +/- 17-degree angle for improved performance.