BOLD MAGENTA part numbers are new for 2025 CHAINS PARTS-UNLIMITED.COM OFFROAD | 2025 CHAINS 733 DESCRIPTION PART # 520ZRE 110 links 1224-0121 112 links 1224-0122 114 links 1224-0123 116 links 1224-0167 DESCRIPTION PART # 520ZRE (CONT) 120 links 1224-0125 Clip connecting link 1225-0446 Rivet connection link 1225-0489 DESCRIPTION PART # 525ZRE 110 links 1224-0168 120 links 1224-0169 Clip connecting link 1225-0491 520/525ZRE Z-RING CHAINS • New, high-performance ZR chains with Z44 seal Z-ring sections • Z-ring flexes when assembled, creating a spring effect that guarantees seal will not diminish over time •Z-ring section also provides enhanced chain flexibility • Features high-alloy steel plates and pins, solid bushings and rollers and shot-peened plates, pins and rollers •Pre-stretched to enhance performance •Clip-type and rivet-type links included •Gold color Lubricant Z-ring “spring effect” DESCRIPTION PART # 102 links 1224-0238 104 links 1224-0239 106 links 1224-0240 DESCRIPTION PART # 108 links 1224-0241 110 links 1224-0242 112 links 1224-0243 DESCRIPTION PART # 114 links 1224-0244 116 links 1224-0245 118 links 1224-0246 DESCRIPTION PART # 120 links 1224-0247 520 HPE SERIES CHAIN •For medium and small displacement motorcycles •Eliminates the need of re-lubrication every 300 miles •Tetrahedral Amorphous Carbon (ta-C) coating on the bushings and rollers •Combines high hardness with a low coefficient of friction •Reduces energy dissipation and increases efficiency in the drive • Sprockets must be made of steel, but special coatings not required •Rivet master link •Tensile strength: 8,093 lbs./36.0kN 520 ZRA DESCRIPTION PART # 114 links 1224-0179 116 links 1224-0180 120 links 1224-0181 DESCRIPTION PART # Clip connecting link 1225-0560 Rivet connecting link 1225-0559 525 ZRA DESCRIPTION PART # 110 links 1224-0172 114 links 1224-0173 120 links 1224-0174 DESCRIPTION PART # 124 links 1224-0175 Clip connecting link 1224-0177 Rivet connecting link 1224-0176 520/525 ZRA CHAINS •Manufactured with high-carbon alloy steel • Shot-peened rollers, pins and plates •Solid bushings •Pre-stretched to enhance performance •Natural steel color DESCRIPTION PART # 120 links 1221-0170 130 links 1221-0171 DESCRIPTION PART # Clip connecting link 1225-0493 520 GPXV CHAINS •Designed exclusively for racing use •Non-sealed for high-performance applications DESCRIPTION PART # 112 links 1222-0574 114 links 1222-0575 116 links 1222-0576 DESCRIPTION PART # 118 links 1222-0577 120 links 1222-0578 130 links 1222-0579 DESCRIPTION PART # Clip connecting link 1225-0589 Rivet connecting link 1225-0588 520 ZSE CHAINS •High-carbon alloy steel •Narrow Z-ring shrinks width and reduces articulation friction •Gold-colored outer plates
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