Features:
21-speed transmission,ergonomic design of position and trigger handle.
Make wider gear display vision,just take a glance at speed changes.
Easier operation,lower division.

Specifications:
Condition:100% Brand New
Compatible for: Front 3 gear, Rear 7 flywheel and 21 speed positioning transmission system
Scope of application: 21-23mm diameter handle bar
Color: Black

Package includes:
2pcs Transmission (Left 3 speed / right 7 speed)
2pcs Brake line

Product Features

• Feature: ST-EF51 Set 3×7 Speed Shifter Brake Lever Combo 21 Speed Black V-Brake For Mountain Bike;21-speed transmission,ergonomic design of position and trigger handle.
• Compatible for: Front 3 gear, Rear 7 flywheel and 21 speed positioning transmission system. Scope of application: 21-23mm diameter handle bar.
• Function: Make wider gear display vision,just take a glance at speed changes.
• Package includes: 2pcs Transmission (Left 3 speed / right 7 speed), 2pcs Brake line.
• Tips: If you ever have any issues, simply contact us for a free replacement or refund. We support 24 hours online customer service.