BX26 Section V-Belt Belts are measured on the internal circumference BX V-Belts are a cogged belt that can interchange on the same pulleys as B-series belts BX belts can generate a higher horsepower rating due to the raw edge construction, which grips the pulley much better Belts are measured in 1" increments and are measured Li (Length Inside) BX-Section Belts 5/8" 17mm Top Width (Non-Genuine) These are a standard V-belts Sizing: Width: (inches) 5/8" (mm): 17mm Inside circumference (inches) 26" (mm): 660.4mm Outside circumference (inches) 28" (mm): 711.2mm High quality aftermarket replacement belt Certified in manufacture ISO/TS16949:2016 and ISO 14001 OHSAS 18001 These belts meet the 'essential' Health and Safety norms for its entire range of fire-resistant, anti-static belts All parts need to be fitted by a licensed technician. Please note: Due to supply issues some belt sizes are unavailable in PIX brand and have been substituted with Allwyn brand.