SHIMANO RT-EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. For use with Resin/Organic brake pads only. Shimano's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. For use with Resin/Organic brake pads only. With Lock Ring (Internal and External serration).
SHIMANO RT-EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. For use with Resin/Organic brake pads only. Shimano's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. For use with Resin/Organic brake pads only. With Lock Ring (Internal and External serration).
in 4 offers
The lowest price for SHIMANO RT-EM300 Disc Rotor Center Lock Mounting System 203 mm right now is $35.95 at eBay.com.au, compared across 3 retailers.
The all-time low was $35.95 on 23 Feb 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 2 Nov 2026.
SHIMANO RT-EM300 Disc Rotor Center Lock Mounting System 203 mm
SHIMANO RT-EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. For use with Resin/Organic brake pads only. Shimano's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. For use with Resin/Organic brake pads only. With Lock Ring (Internal and External serration).
SHIMANO RT-EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. For use with Resin/Organic brake pads only. Shimano's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. For use with Resin/Organic brake pads only. With Lock Ring (Internal and External serration).
Last updated at 02/11/2026 16:10:40
Shimano Rt-em300 203mm Disc Rotor W/ Int + Ext Serration Lock Ring
Delivery $9.50
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Shimano RT-EM300 203mm Disc Rotor w/ Int + Ext Serration Lock Ring
Delivery between 6–10 Nov $14.95
Shimano, SM-RTEM300, 203mm, Center Lock, ERTEM300L
Delivery $65.34
| Brand | Shimano |
Shimano Rt-em300 203mm Disc Rotor W/ Int + Ext Serration Lock Ring
Delivery $9.50
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Shimano RT-EM300 203mm Disc Rotor w/ Int + Ext Serration Lock Ring
Delivery between 6–10 Nov $14.95
Shimano, SM-RTEM300, 203mm, Center Lock, ERTEM300L
Delivery $65.34
| Brand | Shimano |
