SHIMANO | Shimano Rotor RT70 Disc Brake Rotor 140mm 160mm 180mm 203mm Cenetr Lock Disc Brake Rotors Deliver Powerful Lock Ring

SHIMANO RT series center lock disc brake discIce technology heat dissipation | Universal for road/mountain bikes | High strength brakingCore advantages✅  Ice Tech technology for heat dissipation:Stainless steel friction layer+aluminum alloy heat dissipation substrate composite structure, quickly exporting brake heatUnder continuous downhill conditions, the surface temperature of the disc is reduced by 30% compared to ordinary discs✅  Convenient installation of center lock: patented center lock design, installation torque only requires 40N · mCompatible with SHIMANO's full range of road/mountain bike flower drums✅  Multiple models covering all requirements:RT30: Economy entry-level model (1.5mm thickness)RT54: All round balanced model (reinforced heat dissipation fins)RT64: Endurance racing model (floating structure design)RT70: High end performance model (laser cutting pattern)RT10: Lightweight track version (weighing only 110g/160mm)✅  Dual system compatibility:Perfect match for SHIMANO 105/Ultegra/Dura Ace highway systemSimultaneously compatible with DEORE/SLX/XTR mountain brake systemApplicable scenariosHighway vehicles:105 R7000/R7020 seriesUltegra R8000/R8020 seriesGravel road vehicle (recommended RT64/RT70)⊙ Mountain bike:XC Off road (RT30/RT54)Mountain Cycling (RT64/RT70)Endurance race/downhill (RT70+203mm combination)Tested performance🔹  Thermal attenuation test:20 consecutive sudden brakes from 50km/h to 10km/h, with a braking force attenuation of less than 8% (ordinary discs>25%)🔹  Durability test:Laboratory 10000km simulated cycling, with a thickness wear of only 0.15mm🔹  Extreme environment:-Maintain a stable friction coefficient within the temperature range of 30 ℃~120 ℃Installation recommendations⚠️  Professional Tip:The first installation requires a specialized TL-LR15 locking ring toolSuggest pairing with original B01S/B05S to enhance the quality of the filmCheck the disc deflection every 5000km (allowable value<0.3mm)Why choose the SHIMANO RT series?Original factory supporting research and development, with a 100% brake matching degreeExtend the lifespan of third-party discs by 2 timesThe entire department has obtained a UCI certified competition usage licenseSM-RT64SHIMANO - CENTER LOCK - Disc Brake Rotor - 203/180/160 mmSHIMANO DEORE SM-RT64 rotors deliver powerful and consistent braking performance in all riding conditions. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.CENTER LOCK rotor mountMetal pad compatibleConsistent braking performance