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Shimano RT-EM300 Disc Rotor 180 mm
Shimano RT-EM300 Disc Rotor 180 mm
Shimano RT-EM300 Disc Rotor 180 mm

Shimano RT-EM300 Disc Rotor 180 mm

$26.98

(483 reviews)

Shimano RT-EM300 Center Lock disc brakes are the ultimate solution for cyclists seeking superior performance and reliability. From the renowned Shimano brand, these brakes are designed to deliver optimum stopping power in all conditions. With their innovative design and superior construction, these disc brakes are an obvious choice for all types of bikes. Whether you're an avid mountain biker or a road enthusiast, these brakes will give you an unrivalled braking experience. Shimano 's Center Lock technology is a real asset to these disc brakes. It guarantees rapide easy disc attachment, great stability and improved component wear. Thanks to their compact design, these disc brakes offer improved ventilation and better performance in hot weather. Their compatibility with different types of wheels and tires makes them extremely versatile. Like all Shimano products, these disc brakes are built to last. Their sturdiness and reliability have been tested and proven to resist wear and impact, guaranteeing a long service life even under intensive use. Shimano RT-EM300 Center Lock disc brakes are a sound investment for all cyclists in search of performance and quality. With their elegant design, cutting-edge technology and unrivalled reliability, these brakes will provide you with an optimal braking experience on any terrain. Don't wait any longer to try them out and discover for yourself why they're a must-have among cyclists the world over.

Shimano RT-EM300 Center Lock disc brakes are the ultimate solution for cyclists seeking superior performance and reliability. From the renowned Shimano brand, these brakes are designed to deliver optimum stopping power in all conditions. With their innovative design and superior construction, these disc brakes are an obvious choice for all types of bikes. Whether you're an avid mountain biker or a road enthusiast, these brakes will give you an unrivalled braking experience. Shimano 's Center Lock technology is a real asset to these disc brakes. It guarantees rapide easy disc attachment, great stability and improved component wear. Thanks to their compact design, these disc brakes offer improved ventilation and better performance in hot weather. Their compatibility with different types of wheels and tires makes them extremely versatile. Like all Shimano products, these disc brakes are built to last. Their sturdiness and reliability have been tested and proven to resist wear and impact, guaranteeing a long service life even under intensive use. Shimano RT-EM300 Center Lock disc brakes are a sound investment for all cyclists in search of performance and quality. With their elegant design, cutting-edge technology and unrivalled reliability, these brakes will provide you with an optimal braking experience on any terrain. Don't wait any longer to try them out and discover for yourself why they're a must-have among cyclists the world over.

Shimano RT-EM300 Disc Rotor 180 mm

(483 reviews)

Shimano RT-EM300 Center Lock disc brakes are the ultimate solution for cyclists seeking superior performance and reliability. From the renowned Shimano brand, these brakes are designed to deliver optimum stopping power in all conditions. With their innovative design and superior construction, these disc brakes are an obvious choice for all types of bikes. Whether you're an avid mountain biker or a road enthusiast, these brakes will give you an unrivalled braking experience. Shimano 's Center Lock technology is a real asset to these disc brakes. It guarantees rapide easy disc attachment, great stability and improved component wear. Thanks to their compact design, these disc brakes offer improved ventilation and better performance in hot weather. Their compatibility with different types of wheels and tires makes them extremely versatile. Like all Shimano products, these disc brakes are built to last. Their sturdiness and reliability have been tested and proven to resist wear and impact, guaranteeing a long service life even under intensive use. Shimano RT-EM300 Center Lock disc brakes are a sound investment for all cyclists in search of performance and quality. With their elegant design, cutting-edge technology and unrivalled reliability, these brakes will provide you with an optimal braking experience on any terrain. Don't wait any longer to try them out and discover for yourself why they're a must-have among cyclists the world over.

Shimano RT-EM300 Center Lock disc brakes are the ultimate solution for cyclists seeking superior performance and reliability. From the renowned Shimano brand, these brakes are designed to deliver optimum stopping power in all conditions. With their innovative design and superior construction, these disc brakes are an obvious choice for all types of bikes. Whether you're an avid mountain biker or a road enthusiast, these brakes will give you an unrivalled braking experience. Shimano 's Center Lock technology is a real asset to these disc brakes. It guarantees rapide easy disc attachment, great stability and improved component wear. Thanks to their compact design, these disc brakes offer improved ventilation and better performance in hot weather. Their compatibility with different types of wheels and tires makes them extremely versatile. Like all Shimano products, these disc brakes are built to last. Their sturdiness and reliability have been tested and proven to resist wear and impact, guaranteeing a long service life even under intensive use. Shimano RT-EM300 Center Lock disc brakes are a sound investment for all cyclists in search of performance and quality. With their elegant design, cutting-edge technology and unrivalled reliability, these brakes will provide you with an optimal braking experience on any terrain. Don't wait any longer to try them out and discover for yourself why they're a must-have among cyclists the world over.

$26.98 - $54.95

in 10 offers

The lowest price for Shimano RT-EM300 Disc Rotor 180 mm right now is $26.98 at Cicli Mattio AU, compared across 10 retailers.

The all-time low was $6.00 on 30 June 2024 — today's price is 350% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 2 Nov 2026.

Size:

160 mm
180 mm

Price comparison

Price data powered by pricesAPI.io

Last updated at 02/11/2026 16:10:48

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=ciclimattio.com&sz=64Cicli Mattio AU

$26.98

SHIMANO - RT-EM300 Rotor silver 180mm Centerlock

Delivery $50

https://www.google.com/s2/favicons?domain=velogear.com.au&sz=64Velogear

$27.03

Shimano RT-EM300 Disc Rotor - 180mm

https://www.google.com/s2/favicons?domain=deporvillage.net&sz=64Deporvillage.net

$28.37

Shimano EM300 Center Lock 180 mm Brake Disc Silver

Delivery $63.99

https://www.google.com/s2/favicons?domain=georgesbikeshop.com.au&sz=64George's Bike Shop

$28.99

Shimano RT-EM300 Disc Rotor 180mm Steps With Magnet

Delivery between 3–13 Nov $12.95

https://www.google.com/s2/favicons?domain=alchemycycletrader.com.au&sz=64Alchemy Cycle Trader

$35.99

Shimano RT-EM300 180mm Lock Ring Disc Rotor w/ Int + Ext Serration

Delivery between 6–10 Nov $14.95

https://www.google.com/s2/favicons?domain=westcoastcycles.com.au&sz=64West Coast Cycles

$36.00

Shimano RT-EM300 CL Disc Brake Rotor 180mm

Delivery between 9–17 Nov $29

https://www.google.com/s2/favicons?domain=bikes.com.au&sz=64bikes.com.au

$39.95

Shimano RT-EM300 Bike Disc Rotor w/ Lock Ring Internal and External Serration 180 mm

https://www.google.com/s2/favicons?domain=99bikes.com.au&sz=6499 Bikes

$44.00

Shimano STePS EM300 Centre Lock Disc Rotor 180mm

Free 30-day returns

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64eBay.com.au

$45.51

E-bike Brake Disc Rt-em300 180mm Center Lock Internal/external Locking

Delivery $80.54

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!

https://www.google.com/s2/favicons?domain=melbournepowered.com.au&sz=64Melbourne Powered Electric Bikes

$54.95

Shimano RT-EM300 Disc Rotor M 180mm W/Lock Ring Internal And External Serration

Delivery between 6–16 Nov $9.95

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

15 January 2023

originally posted on Google Customer Reviews

Top Ware

Great
17 April 2023Luis R.

originally posted on cambriabike.com

good performance at low cost

I recommend XXCycle
3 April 2022Marcin

originally posted on xxcycle.fr

Good assortment. Everything as ordered. Shipping/ Delivery to Poland was very fast.

Specification

Bicycle TypeE-Bike
Brake TypeDisc brake
Groupset CompatibilitySHIMANO STEPS
MaterialSteel
Mounting TypeCenter-Lock

Price comparison

Updated about 7 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=ciclimattio.com&sz=64
Cicli Mattio AU

$26.98

SHIMANO - RT-EM300 Rotor silver 180mm Centerlock

Delivery $50

https://www.google.com/s2/favicons?domain=velogear.com.au&sz=64
Velogear

$27.03

Out of stock

Shimano RT-EM300 Disc Rotor - 180mm

https://www.google.com/s2/favicons?domain=deporvillage.net&sz=64
Deporvillage.net

$28.37

Shimano EM300 Center Lock 180 mm Brake Disc Silver

Delivery $63.99

https://www.google.com/s2/favicons?domain=georgesbikeshop.com.au&sz=64
George's Bike Shop

$28.99

Out of stock

Shimano RT-EM300 Disc Rotor 180mm Steps With Magnet

Delivery between 3–13 Nov $12.95

https://www.google.com/s2/favicons?domain=alchemycycletrader.com.au&sz=64
Alchemy Cycle Trader

$35.99

Out of stock

Shimano RT-EM300 180mm Lock Ring Disc Rotor w/ Int + Ext Serration

Delivery between 6–10 Nov $14.95

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

15 January 2023

Top Ware

originally posted on Google Customer Reviews
Great
17 April 2023

good performance at low cost

Luis R. originally posted on cambriabike.com
I recommend XXCycle
3 April 2022

Good assortment. Everything as ordered. Shipping/ Delivery to Poland was very fast.

Marcin originally posted on xxcycle.fr
good
18 March 2020

Excellent product with easy mount ,working well with zee brakes

kadlefkas originally posted on alltricks.fr

Specification

Bicycle TypeE-Bike
Brake TypeDisc brake
Groupset CompatibilitySHIMANO STEPS
MaterialSteel
Mounting TypeCenter-Lock

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