specialized giant cube cannondale felt-bikes shimano endura altura
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  • Product description

    Auto shifting you can rely on
    This one's a no-brainer. When riding in dense city traffic, you need to concentrate on the road, not on your shifters. With Sram's Automatix two-speed hub, you can focus on your lane, and the hub will change gear automatically for you based on your speed. There's no shifter, because the centrifugal clutch chooses your gear automatically. It's a fantastic system for riding around town, with a minimum of terrain changes. If you're on hillier ground, check out the i-Motion 3 instead.
    Automatix gets you where you're going, and the centrifugal clutch changes the pace along with you. It delivers automatic two-speed shifting, no shifter required. Sram Automatix eliminates the distractions for a ride that's safer, easier, and more fun!
    • Two-speed automatic gear hub
    • Safe and stress-free system
    • No shifter, no cables, no maintenance
    Weight
    • Coaster brake 980 g, Freewheel 780 g, Disc brake 720 g, SH Rollerbrake comp. 780 g
    Gears
    • 2
    Transition
    • 136%
    Technology Highlight(s)
    • Mechanical centrifugal clutch
    Colors
    • Silver, Grey, Silver, Ivory
    Options
    • Coaster brake, Freewheel, Disc brake, Aluminum hub shell, SH Rollerbrake comp., Gates beltdrive
    Details
    • 2-speed automatic shifting

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