component-st-7970

**Compatibility warning**: none of the 7970 series components will work with other generation Di2 components. The plug is different and simply won't fit.

These

di2-service-instructions-dura-ace-7970

DURA-ACE 7970 service instructions

**Compatibility warning**: none of the 7970 series components will work with other generation Di2 components. The plug is different and simply won't fit.

These levers have two shift buttons eac and they weigh about 255g / pair.

In 2009 Shimano released the DURA-ACE 7970 series - the company's first Di2 groupset. It uses a five-wire protocol and plug and therefore none of these components are compatible with any of the other Di2 series - you simply cannot plug them in.

Shimano model number:	ST-7970
Weight:	255 g
E-Tube ports:	0
E-Tube Port type:	SD50
Type:	Shifting Lever
Component series:	DURA-ACE 7970 (Road)
Downloads:	DURA-ACE 7970 service instructions

Dual Control Lever

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