AUTOMATIX

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

Included in the SRAM AUTOMATIX groupset.

  • Automatix Hub
Alternate views

Some variations of this product featured on this page are not available for purchase and are installed on bicycles as original equipment only. See your dealer for details.

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Specs

Specifications for AUTOMATIX

WeightCoaster brake 1420 g, Freewheel 780 g, Disc brake 720 g, SH Rollerbrake comp. 780 g
Gears2
Transition136%
Technology Highlight(s)Mechanical centrifugal clutch
ColorsSilver, Grey, Silver, Ivory
OptionsCoaster brake, Freewheel, Disc brake, Aluminum hub shell, SH Rollerbrake comp., Gates beltdrive
Details2-speed automatic shifting

Technology

Cable free

No kind of control mechanism is necessary.

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Centrifugal clutch

Connects two concentric shafts, with the driving shaft nested inside the driven shaft.

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SCT - Smart Coasterbrake Technology™

SCT ensures high safety when braking with faster and more sensitive response, and improved brake modulation thanks to reduced play.

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Service

Documents Available for AUTOMATIX

See more documents available for SRAM Road products.


SRAM Warranty (2.19 MB, PDF)

EN, DE, ES, FR, IT, NL, PT, JA, ZH, PL, DA, CS, EL, RO, FI, SV, GA, BG, MT, SK, SL, HU, ET, LV, LT, KO, RU
28 Pages Updated June 16, 2015