3.00-4 4PR is generally used on gliders and is commonly used on the nosewheel for JANUS, Duo Discus & K21's.
TR-87 valve, 90 degrees bent.
TOST TYRE 200 X 50 AERO 6PR
TOST TYRE 2.80/2.50-4 4PR correct size for Grob 109 tail wheel
