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- Innovative design allows very small chainring use on 4x110BCD cranks but a SRAM 12sp or Dura Ace 11sp chain is recommended - Chainrings are sold separately but must be used in 30+46 and 32+48 combinations - Special bolts are included for 30t and 32t inner rings so no additional parts are needed - Inner and outer oval chainrings are optimized with smooth shifting in mind, (6) up-shifting ramps (outer ring), and (12) dow -shifting points (outer ring) - Oval rings help the rider spin smoother and generate more power - Example: 32t is equivalent to 30t at deadspot and 34t at the power zone - Works with 2x chainring systems and do not require any modification to the front derailleur for use - Designed in UK, manufactured in Poland Today's Stock Status 10+ Available to ship or pickup in 2-3 Business Days UPC: Not available EAN: 5110846003372 Manufacturer Part Number: ROV46/4BK CR0508 AI5287 131540-Q0-L
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🇺🇸 Ship from USA · On Agora since 2025
$139.95