This is a pair of replacement disc brake pads for Avid Trail/ SRAM Guide/XO Disc Brakes

SG2 was specifically designed to be a puncture protection layer

Cassette Body Type: Shimano HG

SCM 415 hardened chromoly steel

Aluminum housing and gauge

Serfas LX-3 NIVA Women's Saddle Chromoly Black can be discounted This is a pair ofSerfas performance saddle line is designed for both the high end rider and weekend warriors alike. Designed and constructed using premium materials such as Chromoly rails, Soft Feel moisture wicking Microfiber cover, and Dual Density constructed base. Womens MTB Specific Design Dual Density Base Cutout Base For Soft Tissue Relief Rails: Chromoly Cover: Soft Feel Microfiber