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Our premium 1X Rotor 76bcd compatible Oval chainrings are designed for Rotor REX cranks with their original 1X spider. They are lighter and stiffer compared to the original chainring due to one optimized mounting position only. Size (Mass +/-1g): 30T (44g), 32T (49g), 34T(58g) Color Black Compatibility All ROTOR REX cranks with Rotor 76bcd spider (Not compatible with Sram 76bcd cranks) Material cnc machined 7075 Txxx Aluminum. Long-lasting construction. Mud optimized. Chainline perfect 49mm Ovality Optimized to each size separately. Range: 10.2-14.4% and Timing of 110.5-116.3¡ after TDC (top dead center) Patent Pending
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🇺🇸 Ship from USA · On Agora since 2025
$79.95