Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed Medium Cage Black ModelNumber=21265 13mm thick pedal body and

13mm thick pedal body and CNC machined chromoly axle

TS1 Sit Bone Measuring ToolScans the pressure created by the ischial tuberosity (sit bones) and calculates the width with millimeter precision

}Crank Brothers Multi 19 Tool - Black/Red

Color Black Weight 90 Chainguide Mount Type ISCG-05 Material Carbon Material Composite Defined Color Black Max Tooth (teeth) 32

Color Black/Tan Flat Protection Tread TPI 120 Weight 690 Defined Color Black ISO Width (mm) 58 ISO Diameter 622 / Road / 29" Tire Intended Use Mountain Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed Medium Cage Black ModelNumber=21265 13mm thick pedal body andShimano XT RD M8100 GS Rear Derailleur 12 Speed Medium Cage Black. Deore XT RD M8100 Rear DerailleurOffers fast and shockless shifting thanks to HYPERGLIDE+ technology The low profile design includes a bumper added to the derailleur pulley cage Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain Includes large 13t pulley Drivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low