ST-7900 tool B for E-ring

The Shimano ST-7900 Tool B for E-Ring is a genuine Shimano specialty tool designed specifically for use with the Shimano ST-7900 series brake/shift levers. It is engineered to accurately install and remove the small E-ring clip that secures internal lever components during service and repair.

Precision-made to fit the exact E-ring profile used in the ST-7900 lever assembly, this tool helps prevent damage to delicate parts and simplifies maintenance work—saving time in the workshop and ensuring a proper, secure fit. Ideal for mechanics and home technicians who want to keep their Shimano levers in top working condition.

Key Features:

• Genuine Shimano specialty tool
• Specifically for E-ring installation/removal on ST-7900 levers
• Accurate fit prevents damage to small components
• Essential for professional servicing and clean repairs
• Durable construction for long-lasting use