Nameplated as 100/90/65-6.5 to accommodate (90/ and 100/ width) tyres with 65 profile such as 90/65-6.5 or 100/65-6.5. Can also be used as a heavy tube in 100/55-6.5.
Valve extends at 90 degree with a 70 degree tilt (vs more 90 degree on the CST) and is positioned in the centre whereas the CST is approximately 15 degrees off centre. Refer to product images.