Cover mainstream models:Gravely：ZT XL 42, ZT XL 52, ZTX 42/52;Ariens：Ikon 52, Ikon Onyx 52, Onyx 52 Original replacement: Directly replace with OEM number 07200921, no modification to the equipment required Ready-to-use design: No need to adjust the tension wheel, supporting a single person to complete the replacement in 10 minutes Cost-benefit ratio: The unit price is only 30% of that of the original factory belt Worry-free after-sales service: 1-year warranty Drive V-Belt B52 (1/2" x 92.1") Compatible with Gravely ZT XL 42/52 Ariens Ikon/Onyx 52 Mowers Replaces OEM 07200921