BOLD MAGENTA part numbers are new for 2025 OFFROAD TIRES PARTSCANADA.COM TIRE & SERVICE | 2025 TIRE FAILURE HAZARD,WHICH IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY. SEE PAGE 129 FOR IMPORTANT INFORMATION REGARDING PRODUCT USE. WARNING SIZE LOAD/SPEED INDEX TL/TT PART # FRONT 70/100-21 44M TT 0312-0362 SIZE LOAD/SPEED INDEX TL/TT PART # FRONT/REAR 90/100-18 54M TT 0313-0691 K990 •Tire of choice in the early 1990s, brought back for today’s racing enthusiasts •Classic pattern with a modern construction •Ideal for small-bore vintage bikes • Blackwall •Tube type (TT) •M-rated for speeds up to 130 km/h (81 mph) K990 Front/Rear SIZE LOAD/SPEED INDEX TL/TT PART # 110/100-18 64M TT 0313-0659 GEOMAX® AT81 EX REAR •Developed for use in Endurocross racing and has a unique “gummy” compound, giving exceptional grip in extreme conditions •Endurocross tires offer more all-around performance plus higher levels of ruggedness for off-road racing and riding •Rear tread block shape and distribution plus flexible knobs help the tire penetrate down through the surface dirt for extra traction across a broad range of offroad applications •Newly formulated high-wear-resistant rear tire compound offers enhanced chipping, tearing and wear appearance •Rear tire carcass features two nylon plies •Lateral grooves on the shoulder knobs provide additional biting edges and also allow the knobs to be more flexible •Rear center blocks are arranged in-line to provide a larger contact patch for maximum traction • ”Plush pad” recess design between tread blocks enhances compliance for bump absorption and ride comfort • Blackwall •Tube type (TT) •M-rated for speeds up to 130 km/h (81 mph) Geomax® AT81 EX Rear Geomax® AT82 Front/Rear SIZE LOAD/SPEED INDEX TL/TT PART # FRONT 80/100-21 51M TT 0312-0563 90/90-21 57M TT 0312-0564 SIZE LOAD/SPEED INDEX TL/TT PART # REAR 110/100-18 64M TT 0313-1068 120/90-18 65M TT 0313-1070 SIZE LOAD/SPEED INDEX TL/TT PART # REAR (CONT) 110/90-19 62M TT 0313-1069 120/90-19 66M TT 0313-1071 GEOMAX® AT82 •Provides more all-around performance •High wear-resistant tire compound offers enhanced chipping, tearing and wear resistance •Rear tread block shape and distribution plus DIRTuitive Grip Design (DGD) knobs help the tire penetrate through the surface dirt for extra traction •Rear tire carcass has two nylon plies •Lateral grooves on shoulder knobs provide additional biting edges and allow the knobs to be more flexible •Rear center blocks are arranged inline to provide a larger contact patch for maximum traction • ”Plush pad” recess design between tread blocks enhances compliance for bump absorption and rider comfort •Tube type (TT) •M-rated for speeds up to 130 km/h (81 mph) 143
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