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Shimano K03S Resin


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From 9.10
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  • Trustpilot review 9.4 out of 50.933 reviews

Pros & Cons

  • This brake pad is 40% more durable than its K02S predecessor!
  • The K03S is quick to grip and has good doseability.
  • Due to the soft compound, this brake pad makes little noise during braking.
  • The K03S Resin can lose braking power if it gets too hot, for example during long descents.

Specifications

Brand Shimano
Bike TypeRoad bike
Hardness Brakepad Soft (Resin/Organic)
Suitable for Shimano G

Description

The Shimano K03S Resin disc brake pads,the successor of the famous Shimano K02S disc brake pads, are made especially for the road bike. These K03S brake pads are 40% more durable than their predecessors, without compromising on braking power, gripping or noise level.

Explanation Organic Compound
Organic brake pads consist of soft materials. These brake pads therefore provide excellent controllability and good braking power. Due to the soft compound, this brake pad also engages quickly. In addition, the organic compound ensures that these brake pads make little noise while riding.
The disadvantage of organic brake pads is that they are less able to withstand higher temperatures, which for example can occur during long descents. Organic brake pads also wear out faster if you often ride in muddy conditions. As mentioned before, the wear and tear is already greatly reduced compared to the previous model. Yet these K03S Resin brake pads remain less wear-resistant than pads with a harder compound.
In short, if you mainly use your bike in summer, then you have the perfect choice with these organic brake pads. However, if you use the bike mainly in the winter, or if you regularly go to hilly/mountainous areas, then you'd better go for Semi-Metallic brake pads.

Please note:
Producers use different fittings. Make sure that the shape of the brake pad on the picture corresponds to your current brake pad. If you don't know what shape you have, please scroll to the bottom of this page. There is a description per brake pad for which type of brake it is suitable.


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Bike Type Road bike Mountain bike / Road bike / E-bike Mountain bike / Road bike / E-bike / City and Hybrid bike Mountain bike / Road bike / E-bike / City and Hybrid bike
Hardness Brakepad Soft (Resin/Organic) Medium (Semi-Metal) Soft (Resin/Organic) Soft (Resin/Organic)
Number of brake pads 1 Pair / 2 Pairs 1 Pair / 2 Pairs 1 Pair / 2 Pairs 1 Pair / 2 Pairs
Suitable for Shimano G Shimano A / Shimano B / Shimano C / Shimano D / SRAM A / SRAM B / SRAM C / SRAM D / Magura A / Magura B / Formula A / Formula B / Tektro A Shimano A / Shimano D / SRAM A / SRAM B / Magura A / Magura B / Formula A / Tektro A Shimano D / Tektro A
From 9.10 From 10.62 From 8.08 From 10.11
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All specifications

Manufacturer specifications

Shimano G:
Race: RS305 / RS405 / RS505 / RS805 / Tiagra BR4770 / 105 R7020 / Ultegra R82020 / Dura-Ace R9120