SwissStop Disc 34 RS - Shimano Dura Ace / Ultegra / 105

SwissStop Disc 34 RS - Shimano Dura Ace / Ultegra / 105

A direct replacement for the following Shimano brake pads:

• K03S
• K02S
• L05A (this replaced the L03A in 2022)
• L03A
• L02A
• L04C

SwissStop RS are rase ready with silent power - giving quiet, powerful braking

Disc RS delivers powerful braking and precisely balances the performance characteristics important to racers and everyday riders alike:

• consistently quiet operation
• smooth feel in the brake lever
• predictable and progressive brake power
• very high durability

QUIET WET AND DRY

Disc RS provides extremely quiet operation in all environments. In wet, dry, snow and ice conditions the compound is noiseless.

ORGANIC COMPOUND

Smooth modulation and rotor friendly.

THIN BACKPLATE DESIGN

At 1.6mm thick the steel backplate saves weight over standard designs, yet provides the preferred thermal characteristics, strength and stability of steel.
Reduced thickness backplate is offset with additional friction material, providing longer pad service life.

BALANCED PERFORMANCE

Disc RS offers a highly balanced combination of brake performance, durability and incredibly low noise in all conditions. This finely tuned compound provides an ideal riding experience which is not found in other disc brake pads.

These pads fit the following Shimano Brake Callipers:

• Dura Ace BR-R9270,BR-R9170
• Ultegra BR-R8170,BR-R8070
• 105 BR-R7070
• Tiagra BR-4770
• GRX BR-RX810,BR-RX400
• BR-RS805
• BR-RS505
• BR-RS405
• BR-RS305

Performance Characteristics (out of 10 - 10 is best 1 is worst)

• Initial bite: 10
• Modulation: 8
• Longevity: 8
• Heat Tolerance: 8
• Noise when dry: 10 
• Noise when wet: 10

Bedding in

Note: These pads should be "conditioned" after installation and before riding - instructions are in the pack

Step 1. On a gradual downhill slope, drag each brake for 20-30 seconds, alternating between front and rear. Repeat 2-3 times.

Step 2. On a steeper slope, engage and drag the brakes for 10-15 seconds then increase lever pressure until the bike slows almost to a complete stop. Repeat 2-3 times.

Pro Tip: The front pads will have been heated more than the rear. To achieve optimal performance, exchange the front and rear pads then repeat Step 2.

CAUTION before replacing or exchanging brake pads it is essential to let all parts cool.