absoluteBLACK Round Chainring 4x110BCD Shimano Asym 52T - Black MFPN=017A320ICA011 }The AM30 is your one-wheelset

}The AM30 is your one-wheelset quiver for lunch laps

The Sunday Sabretooth V2 sprocket is a 6mm (1/4″) thick 6061-T6 aluminum sprocket

}The Galaxia is an advanced roller

Intended for indoor use only

absoluteBLACK Round Chainring 4x110BCD Shimano Asym 52T - Black MFPN=017A320ICA011 }The AM30 is your one-wheelsetRound chainrings for all Shimano 4x110BCD cranks Features (6) up shifting ramps (outer ring) and (12) down shifting points (outer ring) Compatibility: Shimano Dura Ace 9000, Ultegra 6800, Shimano 105 5800, Tiagra 4700 Designed in UK, manufactured in Poland Model Shimano Asym Ring Type Outer Speed 10 11 12sp Mount 4x110mm Teeth 52 Oval Round Round Color Black Size 52T