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
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.
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