Standardbreds usually have big heads! But you should consider a Bitless Bridle on your standardbred! :)
Some places you might like to try are:
www.naturalhorseworld.com
www.bitlessbridle.com
www.nobitbridles.com
It depends on what disipline you would like to ride in.
A FULL SIZE THICK EGGBUTT SNAFFLE is the kindest bit available from most horse stores, like Horseland.
Hope this helps! :)
accoring to the size.
You need aTorx 45 size
It varies with the parents, but you will get a more solidly built, colored standardbred.
For a clearance hole you need a 9/64 drill bit.
Pilot
3/8 bit just changed mine
T55 TORX BIT ON THE FRONT 12MM SOCKET ON THE REAR!
T-45
T45
Depends on the diameter of the conduit. Try for 1/4" larger diameter drill bit.
trotting or pacing
This is the sport of Harness Racing.