Shimano Dura-Ace FC-R9200 Crankset - 172.5mm 12-Speed 54/40t Hollowtech II Spindle Interface BLK Fits Brand-Diamondback } Combines dual density with

} Combines dual density with a diamond texture for comfort and amazing grip

}Vittoria Air-Liner Tubeless Insert - MTB X-Large 2

M (55-59cm – 21 58- 23 14")

16mm down to 15mm

41 Thermal Processed: Sunday is the only company to use Odyssey's proven and trusted 41 Thermal heat treating

Shimano Dura-Ace FC-R9200 Crankset - 172.5mm 12-Speed 54/40t Hollowtech II Spindle Interface BLK Fits Brand-Diamondback } Combines dual density withShimano Dura Ace FC R9200 Crankset 172. 5mm 12 Speed 54 40t Hollowtech II Spindle Interface Black. The Shimano Dura Ace FC R9200 crank performs two vital functions; transferring your pedaling effort into the drivetrain and ensuring the fastest most precise front shifting available. With HOLLOWTECH II crank arms to ensure light weight and Shimanos class leading chainring designs the FC R9200 wont let you down. Optimal balance of stiffness strength