SwissStop's 29 brake pad is designed for the SRAM Code and SRAM Guide RE disc brake. Compound Choices Endurance compound - Based around the class leading SwissStop Organic pad, but tweaked for applications requiring greater endurance. Ideal for E-Bikes. This is a long lasting, high endurance pad compound. Organic formula is low noise and rotor friendly. RS compound - Race ready, silent power. Swissstop RS disc pads offer a highly balanced combination of predictable braking, durability and incredibly low noise in all conditions. The organic compound gives smooth modulation and is rotor friendly. E compound - Based around the class leading SwissStop Organic pad, but tweaked for applications requiring greater endurance. Ideal for E-Bikes. Long lasting, high endurance pad compound. Organic formula is low noise and rotor friendly. High temperature stability for consistent brake power High quality springs are supplied with every set of Swissstop disc brake pads Supplied as pairs (for one wheel) Fits: Avid Code (2011-2014), Code R, SRAM Code RSC, R (2017), Guide RE