Hayes Dominion T4 Disc Brake and Lever - Rear Hydraulic Post Mount Black MFPN=6855 and the ratchet wheel is

and the ratchet wheel is generally used on the rear wheel

model Wild AM Competition size 27

13 hours in GPS and optical heart rate (OHR) mode and 72 hours in pool and OHR mode

}SRAM NX Eagle Boost Crankset - 165mm 12-Speed 32t Direct Mount DUB Spindle Interface Black

}Pedros Needle Nose Pliers

Hayes Dominion T4 Disc Brake and Lever - Rear Hydraulic Post Mount Black MFPN=6855 and the ratchet wheel isThe Hayes Dominion T4 is optimized for Enduro and DH riding with a USA made carbon lever blade titanium fasteners throughout and a strong clamping 4 piston caliper. Low effort lever input coupled with high fidelity power output for optimum braking feel and control A carbon lever blade and titanium fasteners take Dominion performance to the next level. Pre bled and assembled with Hayes K2 hose: The stiffest hose possible for maximum power and control