Go to search
Go to content
Go to footer

1-year returnsFor Decathlon-made products
Home Delivery Check our delivery rates & deadlines
Gift CardsGive the give of sport with an E-Gift Card to use in store or online at Decathlon.ie
2 Years Guarantee2 years guarantee for all Decathlon products.

Download the App
Become a member

Services

Play Store
Workshop
Buy Back
Cycle To Work
Business and Schools
Tent Pledge
Gift Card

Customer Care

Delivery Information
About Us
365 Days Return
2 Years Guarantee
Size Guide
Product Recall
FAQ
Report Illegal Content
Technical Support

Decathlon

Stores
Decathlon App
Marketplace Program
Sustainability
Affiliate Program
Careers

Marketplace payment providerTerms of Use

Terms And Conditions Of Sale Secure Payment General Terms of Use Legal Mentions Report a Vulnerability Gender Gap Pay Report 2024 Gender Gap Pay Report 2025 Privacy Policy Marketplace Legal Notice Cookie Policy

©2026 Decathlon

Black Friday Early Access For Members has landed. Shop Now!

Unlock exclusive discounts and offers! Become a member today

🚚 Selected Free Delivery for Orders Over €200 📦 Delivery Information

Member Early Access
Global Brands
New Lower Prices

Cycling Fitness & Gym Equipment Hiking & Trekking Running Skiing & Snowboarding Camping & Bivouac Swimming Padel Yoga Pilates Golf Boxing

Women's Clothes Women's Shoes Women's Accessories Women's Sportswear Women's Activewear Womens sportswear Sales Women's Outdoor Collections

Men's Clothes Men's Shoes Men's Accessories Men's Sportswear Activewear Mens Sportswear Sales Collections

Kid's Shoes Baby & Toddlers Kids Accessories Outdoor Play Equipment

Kids Waterproof Clothing

Kids Winter Clothing

Selections/Highlights

Kids Sportswear Sales

Sports Accessories

Electronic & Hightech Bags & Luggage Sport sunglasses & binoculars Cups, Trophies & Medals Bike Carriers & Bike Transport Bike Racks Bath towels Bottles & Hydration Other Accessories Lighting Umbrellas

Nutrition & Health

Sports Nutrition Healthy Food Brands Relaxation & Recovery Care & Hygiene Sun Protection and Accessories

Waterproof New Lower Prices School Holidays Lowest Price Best Value Picnic Essentials Back To School Collection Back to Sports Build Your Gym Cold Snap Wetsuits Black Friday Deals Base Layers

Repair & Maintenance

Maintenance Workshop Services After Sales Support

Member Early Access

New Lower Prices

Sports
Cycling
Bikes
Mountain Bikes
27.5" Mountain Bikes
27.5" Electric Mountain Bike E-ST 500 - Black
Spare Parts
bike frame spare parts

Compatible spare parts

Keep enjoying your 27.5" Electric Mountain Bike E-ST 500 - Black with our selection of compatible spare parts.

bike guard
frame protection

ROCKRIDER Bottom / Left Motor Cover E-ST 900
Reviews.votesAria
Current price {{currentPrice}} €10.00
ROCKRIDER Upper Cover Controller E-ST 500
Reviews.votesAria
Current price {{currentPrice}} €9.00
ROCKRIDER Down Tube Housing MPA-E17
Reviews.votesAria
Current price {{currentPrice}} €8.00
ROCKRIDER Lower Cover Controller E-ST 500
Reviews.votesAria
Current price {{currentPrice}} €8.00
ROCKRIDER Spoke Protector for Wheels with Cassette
Reviews.votesAria
Current price {{currentPrice}} €4.00
ROCKRIDER Full Right Motor Cover + Chain Guide E-ST 900
Reviews.votesAria
Current price {{currentPrice}} €16.00Out of stock
ROCKRIDER Bottom Bracket Casing Protective Housing E-ST 900
Reviews.votesAria
Current price {{currentPrice}} €11.00Out of stock
ROCKRIDER Top / Left Motor Cover E-ST 900
Reviews.votesAria
Current price {{currentPrice}} €11.00Out of stock