Shimano Saint M820-SS1 10-Speed Short Cage Shadow Plus Rear Derailleur model-tcradvancepro1 you can use them as

you can use them as replacement lenses for when the flying rocks and stones get the better of your originals

RockShox SID World Cup Mountain Fork 27

SRAM Red AXS Power Meter Crankset 172

in a secure out-of-the-way location

Shimano Saint M820-SS1 10-Speed Short Cage Shadow Plus Rear Derailleur model-tcradvancepro1 you can use them asShadow+ chain stabilizer provides a simple, lightweight chain control solution Mode Converter allows the derailleur to track different type of cogsets DH mode is a close ratio mode to track up to a 23T 28T low gear AM mode is optimized for a wider ratio cogset with a 32T 34T low gear Saint specific Shadow Plus design with integrated urethane bump stopper doubling down on Shadow Plus functionality