The Arch S1 is built on Stan's faster-engaging

Dura-Ace BR-9000

the SHIMANO CLARIS derailleur is compatible with 8-speed road drivetrains

Micro Cell Sponge - Ergonomically shaped

DUB technology option

SportLegs supplement bottle 120 Capsules EB5585 garminpromo The Arch S1 is builtPatented Sport Legs pre ride supplement raises blood lactate concentration just like exercise does. But it does it before exercise, tricking muscles into producing only as much lactate fuel as needed, not excess which degrades into pain causing, performance limiting lactic acid. Result: Younger performing legs. SportLegs helps make cycling more popular by making it less painful. It actually helps prevent the lactic acid burn and cramping cyclists