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DUAL SIS

Het SIS indexschakelsysteem wordt aan de voorzijde toegepast. Het indexsysteem aan de voorzijde zorgt voor gemakkelijk en comfortabel schakelen.

Benefits & Features

・ Indexed front and rear derailleur shifting allows for easy shifting and comfortable riding.

FRONT SIS + REAR SIS = DUAL SIS

USEFUL INFORMATION TIPS

Make cycling more enjoyable for entry level riders:

*1: Gear spike

Front chain wheel

To shift front gears while pedaling force is applied,the chain must be set onto a gear spike first and then transferred onto another gear. SHIMANO front chain wheels feature special gear spike to enable reliable gear changes for a long period of time.

*1: Special bulge

Front derailleur

One quick click of the shifter lever gets you into gear.

The derailleur is aligned automatically without the need to over-shift or tune. The DUAL SIS front derailleur features a special bulge on the inner chain guide flange to provide fast and smooth SIS shifting with DUAL SIS index compatible Front chain wheel.

*1: Chainline stabilizer

Bottom bracket

Chainline stabilizer on bottom bracket spindle secure accurate chainline control for genuine shifting performance in combination with DUAL SIS compatible items.