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Shimano CUES U4000 1x9-Speed MTB Groupset — Single Chainring Drivetrain w/ U3020/U4020 Derailleur, LG300 Cassette, HG53 Chain
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Upgrade to Shimano’s all-new CUES U4000 1x9-Speed groupset — simple, sleek, and powerful. Choose from shifter-only to full 6-piece kits with crankset, cassette, chain & derailleur. Perfect for city, light MTB & touring bikes. Lightweight. Easy install. Genuine Shimano.
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🚴‍♂️ SHIMANO CUES U4000 — The Future of Simple, Smart Shifting

Say goodbye to complexity. Say hello to Shimano CUES U4000 — the brand-new 1x9-speed drivetrain system designed for effortless riding, modern aesthetics, and maximum reliability. Whether you're commuting, touring, or hitting light trails, CUES delivers smooth performance with minimal maintenance.

 

CUES = Create Unique Experiences — Shimano’s fresh approach to intuitive, rider-focused design.

 

 

🧩 CHOOSE YOUR KIT — CUSTOMIZE TO YOUR NEEDS

 
 
 
 
U4000 Right Shifter Only
9-Speed Trigger Shifter
฿459
DIY builders or replacements
U3020 Rear Derailleur
Short Cage (Max 36T)
฿700
Flat terrain / city riding
U4020 Rear Derailleur
Long Cage (Max 41T)
฿850
Hills / touring / off-road
U4000 + U3020 Combo
Shifter + Derailleur
฿950
Budget-friendly upgrade
U4000 + U4020 Combo
Shifter + Long Cage RD
฿1,050
Better gear range
Essential Kit
Shifter + U3020 + 36T Cassette + HG53 Chain
฿1,590
All-in-one starter pack
Premium Kit
Shifter + U4020 + 41T Cassette + HG53 Chain
฿2,150
Hill climbers & adventurers
Full 6-Piece Kit (36T)
+ U6000 32T Crankset + BB-MT501
฿3,199
Complete drivetrain overhaul
Full 6-Piece Kit (41T)
+ U6000 32T Crankset + BB-MT501
฿3,690
Ultimate performance & range

All kits include genuine Shimano parts
Threaded BB-MT501 included in 6-piece kits
Total system weight: ~2,400g (Full 6-piece)

 

 

🔧 TECH SPECS — ENGINEERED FOR PERFORMANCE

🎛️ Shifter — U4000

  • 9-Speed single trigger
  • Optical gear indicator
  • Ergonomic, minimalist black design
  • Compatible with all CUES derailleurs
 

⚙️ Crankset — U6000 (32T)

  • Single chainring — 32T
  • Sleek black finish with CUES branding
  • Direct-mount compatible
  • Weight: ~720g (170mm, without BB)
 

🔗 Cassette — LG300

  • 9-Speed — Choose 11-36T or 11-41T
  • Wide gear range: 0.78~2.91 gear ratio
  • Steel construction for durability
  • Weight: ~420g (11-41T)
 

🔗 Chain — HG53

  • 9-Speed Super Narrow
  • 114 Links — compatible with all CUES setups
  • Anti-rust coating, smooth shifting
  • Weight: ~275g
 

🔄 Rear Derailleur — U3020 / U4020

  • U3020: Short cage — Max 36T cassette
  • U4020: Long cage — Max 41T cassette (ideal for hills)
  • Shadow design — low profile, less snag risk
  • Black finish with CUES logo
 

🔩 Bottom Bracket — MT501

  • Threaded (BSA 68/73mm)
  • Black-red color scheme
  • Sealed cartridge bearings
  • Weight: ~91g
 

 

🎯 WHY CHOOSE SHIMANO CUES U4000?

  • Simplicity — No front derailleur. One shifter. Less clutter.
  • Wide Range — 11-41T cassette + 32T chainring = perfect for hills & speed
  • Modern Design — Sleek black components with unified CUES branding
  • Easy Maintenance — Fewer parts = fewer adjustments
  • Beginner Friendly — Great for new riders, commuters, and casual MTB
 

 

🆚 CUES U4000 vs ALIVIO M4000 — Which is Right for You?

 
 
 
Gearing
Single chainring — simple
Triple chainring — complex
Maintenance
Minimal — no front mech
More parts to adjust & clean
Best For
City, light MTB, beginners
Technical MTB, experienced riders
Weight
~2,400g (full kit)
~2,600g+ (full kit)
Tech
Brand-new CUES platform
Legacy 3x system
Price
Mid-range — value for innovation
Budget-friendly — proven reliability

 

🛠️ INSTALLATION & USE

  • 🔧 Installation Difficulty: Easy — perfect for home mechanics
  • ⏱️ Setup Time: Under 1 hour (with basic tools)
  • ⚙️ Tools Needed: Standard hex keys, chain tool, cassette lockring tool
  • 🎯 Riding Experience: Smooth, quiet, reliable shifts — even under load
  • 🧽 Maintenance: Just clean & lube chain — no front derailleur tuning!
 

 

💡 PRO TIPS

  • 🏔️ Riding hills? Go for the U4020 + 41T cassette combo.
  • 🚲 Building a new bike? Grab the Full 6-Piece Kit — everything you need in one box.
  • 📏 Check compatibility — Ensure your frame uses threaded BSA bottom bracket (68/73mm).
 

 

📦 WHAT’S IN THE BOX?

Depending on your selected kit — includes genuine Shimano CUES components in retail packaging. All parts are brand new, authentic, and covered by Shimano’s quality assurance.

Shimano CUES U4000 1x9-Speed MTB Groupset — Single Chainring Drivetrain w/ U3020/U4020 Derailleur, LG300 Cassette, HG53 Chain
Shimano CUES U4000 1x9-Speed MTB Groupset — Single Chainring Drivetrain w/ U3020/U4020 Derailleur, LG300 Cassette, HG53 Chain
Shimano CUES U4000 1x9-Speed MTB Groupset — Single Chainring Drivetrain w/ U3020/U4020 Derailleur, LG300 Cassette, HG53 Chain
Shimano CUES U4000 1x9-Speed MTB Groupset — Single Chainring Drivetrain w/ U3020/U4020 Derailleur, LG300 Cassette, HG53 Chain
Shimano CUES U4000 1x9-Speed MTB Groupset — Single Chainring Drivetrain w/ U3020/U4020 Derailleur, LG300 Cassette, HG53 Chain
Shimano CUES U4000 1x9-Speed MTB Groupset — Single Chainring Drivetrain w/ U3020/U4020 Derailleur, LG300 Cassette, HG53 Chain
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Return/Refund Policy

  1. The company accepts product returns or exchanges within 7 business days from the date the customer signs for the delivery. If this period has passed, the company reserves the right to decline any returns or exchanges.

  2. Products to be returned or exchanged must be in their original condition, undamaged from use, and unaltered. This includes retaining the price tags, brand tags, original bicycle box, manuals, and packaging in the same condition as when delivered. Proof of purchase, photographic evidence, and a confirmation document from the service center verifying the damage must also be provided.

  3. Shipping costs for returns, exchanges, or repairs at the main office must be borne by the customer in all cases. Shipping fees are non-refundable.

  4. Please record a video while unboxing the received product as evidence. Without such a video, the company reserves the right to decline any returns or exchanges.

Customers may return or exchange products under the following conditions:

  1. The product is the wrong model, color, or size.
  2. The product differs significantly from or does not resemble the images displayed on the product detail page.
  3. The product is damaged, defective, or non-functional upon receipt.
  4. The company reserves the right to inspect the condition of returned products before dispatching a replacement.
  5. Returns or exchanges are not accepted in cases where:
    • The customer is dissatisfied with the product.
    • The customer wishes to exchange for a different model.
    • The customer ordered the wrong model.
    • The bicycle has been assembled and test-ridden.
  6. The company reserves the right to accept returns or exchanges only under the policies and conditions set by the company.
  7. Shipping fees are non-refundable in cases of product refunds.
  8. For bicycles shipped in boxes, the assembly will be completed up to 85%, and assembly fees are not included.

Customers must notify the company immediately upon discovering any product issues via the following channels:

  • Tel: 094-7031888
  • Email: 888bike1@gmail.com
  • Hours: 10:00 AM–7:00 PM daily (excluding Sundays and public holidays).

Return/Exchange Policy for Products within 7 Days

  1. The 7-day return/exchange warranty starts from the day the customer receives the product, counted as Day 1, regardless of the time of receipt.

    • Example:

      • Customer 1 receives the product on Day 1 at 11:00 AM.
      • Customer 2 receives the product on Day 1 at 6:00 PM.
      • The warranty period for both customers starts on Day 1 and ends on Day 7.
    • Exchanges are limited to the damaged product only. If accessories are damaged, they will be repaired instead of replaced.

    • Proof of purchase (receipt or tax invoice) is required for product exchanges. The product must be returned in its original box with all accessories intact.

    • Damaged products must meet the warranty conditions and be in the specified condition.

  2. For products with unclear or intermittent issues that are not immediately apparent during initial inspection, the company reserves the right to evaluate them under its conditions.

  3. The inspection process for returned or repaired products may take approximately 15-20 business days.


Refund Policy

  1. For customers who paid in full or in installments via credit cards issued by registered banks in Thailand, refunds will be credited back to the same card used for payment. This process takes approximately 30 business days from the date the customer is notified by the call center, depending on the credit card billing cycle of the issuing bank.

  2. For customers who paid in full via counter service or cash on delivery, refunds will be transferred to the bank account provided by the customer. This process takes approximately 30 business days from the date the customer is notified by the Call Center (Tel: 094-7031888).

  3. The company reserves the right to extend the refund period beyond the stated timeframe in cases of force majeure.

  4. The company reserves the right to amend any terms and conditions without prior notice.


Shipping and Assembly

For online orders, such as bicycles, the product will be shipped pre-assembled up to 85% and packed in durable boxes.


Warranty for Bicycles

The warranty period is as follows:

  • Standard Frame: 1 year
  • Paintwork: 1 year
  • OEM Parts: Warranty conditions depend on the respective brand.
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ร้าน888bike
888bike
Welcome to 888Bike – Your Trusted Cycling Partner Greetings, and thank you for visiting 888Bike, the premier online destination for bicycles and cycling accessories. Established in 2009, we are proud to serve cyclists across Thailand and beyond with two convenient branches: one in Chiang Rai (Phan District) and another in Chiang Mai. At 888Bike, we are committed to providing a comprehensive selection of high-quality bicycles and accessories from leading global brands. Whether you're a beginner, a casual rider, or a professional cyclist, we have everything you need to enhance your cycling experience. Our team of highly trained technicians are true bicycle experts, ready to assist you with professional advice and exceptional support. When you shop with us, you can do so with complete confidence. Simply give us a call at 094-7031888—we’re available anytime to help you find the perfect product for your needs. We take immense pride in delivering outstanding customer service and ensuring 100% satisfaction with every purchase. Your happiness is our top priority, and we stand by our commitment to making your shopping experience seamless and enjoyable. For our international customers, we are pleased to offer shipping to all ASEAN countries, making it even easier for you to access our premium products and services. 888 INTERTRADE PARTNERSHIP Discover the joy of cycling with 888Bike—where passion meets excellence.
Mobile number : 0947031888
E-mail : 888bike1@gmail.com
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