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Item #:
41042906
Decathlon Rockrider ST50, 21 Speed Aluminum Mountain Bike, 26", Unisex, Black, Small
86% of respondents would recommend this to a friend
Item #:
41042906
GMD 15935
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Ready to go onto the bike trails and need a Mountain Bike that is suited right for you? Our Decathlon Rockrider ST50, 21 Speed Aluminum Mountain Bike, 26, Unisex, Black, Small is designed for your first mountain bike ride in dry weather for up to 1 hour and 30 minutes.
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What Stands Out
Lightweight Frame
Crafted with durable aluminum, the Rockrider ST50 ensures easy maneuverability on rugged terrains, making it perfect for both new and experienced riders seeking adventure.
21-Speed System
Equipped with a versatile 21-speed gear system, this bike offers seamless transitions for various terrains, enhancing the riding experience and helping users tackle any incline with confidence.
Unisex Design
The unisex design of the Rockrider ST50 accommodates a diverse range of riders, promoting inclusivity while providing a comfortable fit for users of all heights and sizes.
Product Details
- 100% aluminum frame designed for strength and efficiency in pedaling
- Sloping type geometry for easy step-over for both men and women
- 80mm front suspension for riding on slightly uneven trails with reliability
- 21 speeds with easy-to-handle rotating handles for adapting effort precisely
- Exclusive ERGOFIT saddle for comfort, wider with a hammock-shaped profile
- Lightweight 26-inch single-wall wheels with DRY 26 x 2.0 tires suitable for dry terrain
Who Should Buy?
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Casual Riders
Ideal for users looking for a reliable bike for leisurely trails and light mountain riding.
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Fitness Enthusiasts
Great for individuals wanting to improve fitness through biking on varied terrains with its versatile gearing.
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Beginner Cyclists
Perfect for beginners who need a sturdy and affordable option to develop their cycling skills.
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Advanced Mountain Bikers
Advanced riders may find the components and performance lacking for serious mountain biking challenges.
Product Description
Decathlon Rockrider ST50, 21 Speed Aluminum Mountain Bike, 26", Unisex, Black, Small
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Customer Questions & Answers
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Question:
What is the recommended height for the small size bike?
Answer: Recommended Small Bike height S: 5'1 - 5'5. -
Question:
Does the bike come with rear suspension?
Answer: No, it is a semi-rigid mountain bike with no rear suspension. -
Question:
What type of brakes does the bike have?
Answer: The bike has 2 V-Brake type pad brakes with aluminum brake levers.
Decathlon Decathlon Mountain Bikes Editorial Review
Decathlon Rockrider ST50, 21 Speed Aluminum Mountain Bike, 26, Unisex, Black, Small is an excellent choice for those looking to explore various terrains on two wheels. This mountain bike features a lightweight aluminum frame, 21 speeds for versatile riding, and is suitable for individuals between 5'1" and 5'5" tall. Users have praised its comfortable ride and simple assembly process, indicating that it comes about 75% assembled, which is convenient for quick setup. While the bike is designed for diverse environments, some reviewers noted minor issues like the absence of a kickstand and water bottle mount, yet these did not significantly detract from their overall satisfaction with the bike.
Customer Reviews & Ratings
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Pros
- Lightweight aluminum frame for easy handling
- 21 speeds for versatile riding options
- Comfortable for different height ranges
- Easy to assemble, 75% pre-assembled
- Suitable for beginners and experienced riders
Cons
- No kickstand included with the bike
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
EK
Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
F
fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
LC
Leana
Verified buyer
“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
HL
Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 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.
GMD 15935
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Designed for first-time mountain bike riders in dry weather for up to 1 hour and 30 minutes.
- 21 speeds for faster and smoother pedaling.
- Raised frame position for a comfortable riding posture.
- Responsive brakes for safe riding.
- ERGOFIT saddle for enhanced comfort.
- 26-inch tires for suitable grip on dry terrain.
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