Product details:

Tacx jockey wheels are amongst the best in the market, thanks to the unique choice of materials used, and their composition. Key Features: Manufactured from a resin composite, that is very resistant to wear, and equipped with quality precision bearings High-grade precision ceramic sealed cartridge bearings. Extremely smooth-running. Higher efficiency. Longer lasting. Upper and Lower jockey wheels provided. For use with: SRAM Race, Force and Rival.