Product Features 
Manufacturer: Shimano 
 
 Shimano Steps RT-EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. SHIMANO's CENTER LOCK mounting system makes installing and removing the rotors quick and easy thanks to the spine mount and locking ring design. Suitable for resin pads only. 
 
 Technical specifications: 
 
 Shimano STEPS RT-EM300 Center Lock Disc Rotor for E-Bike 
 CENTER LOCK disc brake system 
 Wide type disc brake rotor 
 Locking type with internal (internal) gear 
 Including magnet for SHIMANO STEPS speed sensor SM-DUE11 
 Not compatible with metal brake pads 
 Recommended Brake kit: MT520/MT500/MT420/MT400 
 
 Product Features: 
 
 Usage: E-Bike 
 Group: SHIMANO STEPS E5000 
 Model: RT-EM300 
 Disc mounting: Center Lock 
 Pad compatibility: Resin 
 Locking: With internal tool holder 
 
 Production Models: 
 
 160mm trainee (RT-EM300-S) 
 180mm trainee (RT-EM300-M) 
 203mm trainee (RT-EM300-L) 
 Locking type with internal tool holder! 
 
 Material: 
 
 Rotor: Stainless steel 
 Lock: Steel 
 
 Scope of delivery : 
 
 -  1 x Shimano RT-EM600 Center Lock Rotor 180mm 
 - 1 x Shimano Center lock, locking ring for external mounting 
 
 Weight : 
 
 Shimano RT-EM600 Center Lock Rotor 180mm : 171 grams
You can contact us for any questions you may have. We will get back to you as soon as possible, within 24 hours on weekdays . We are happy to help! 🚀
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                When will my order be shipped? Your orders are usually delivered to cargo on the same day . This period may vary depending on the density during campaign periods. 
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                Customer service You can reach us 24/7 by e-mail at info@ugurbisiklet.com. 
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                FAQ You can find the Frequently Asked Questions at the bottom of the product page. 
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                Contact Us You can call us at +90 850 307 1550 whenever you want. 
International Shipping 
Continuous Discount 

100% Originality Guarantee 
All our products are 100% original and are offered with quality and assurance. As Uğur Bicycle, we only deliver products that we procure from reliable and authorized suppliers and that we distribute ourselves. Shop with peace of mind, pedal to quality!
Frequently Asked Questions 
📌 When will my order be shipped?
Your orders will be delivered to cargo within 1-2 business days . This period may vary depending on the density during campaign periods.
📌 Which Cargo Company Do You Work With?
Shipments are made within Türkiye with Domestic Cargo. International shipments are sent with any of the companies DHL - FEDEX - TNT.
📌 How can I track my order?
When your order is shipped, the tracking number is shared via e-mail and SMS. You can track your order on the cargo company's website with this number.
📌 How can I return and exchange a product?
You can return the products within 14 days , unused and in their original packaging. You can review our return policy for detailed return procedures.
📌 When will I be refunded for the product I returned?
Once your return is approved, your payment will be refunded within 3-7 business days , depending on the payment method you used.
📌 Do your products have a warranty?
Yes! All products on sale are under manufacturer or distributor warranty . You can check the product descriptions for warranty period and conditions.





