SIDI Aertis Mountain Clipless Shoes - Women's Sand/Coral 37.5 Bottom Bracket Shell I.D.-34.7 It features a SRAM X-SYNC

It features a SRAM X-SYNC 2 chainring and DUB technology with arms crafted from aluminum for lightweight durability

No-compromise

Cassette Size: 15T

}SRAM Red Rear Derailleur - 10 Speed Short Cage Black/Silver

cellular cores are superior to metal cores

SIDI Aertis Mountain Clipless Shoes - Women's Sand/Coral 37.5 Bottom Bracket Shell I.D.-34.7 It features a SRAM X-SYNCMade for endless adventures. Whatever the journey Aertis is there to make it easier and better. The comfort of a premium suede construction meets the firmer technology that offers lateral support. The nylon sole with replaceable rubber insert allows for maximum grip in any situation and increased walking comfort. Ultra lightweight construction to eliminate foot fatigue with stabilization and control without extra weight Protection with stabilization