ST-EF51 Set 3x7 Speed ​​Shifter Brake Lever Combo 21 Speed ​​Black V Brake for Mountain Bike Compatible Vehicles: Front 3 Gears, Rear 7 Flywheel, 21 Speed ​​Positioning Transmission System Applicable Range: Handlebar with diameter 21~23mm. Easy transmission, low split, gear display visualization, speed Easy operation, low split. Package contents: 2 transmissions (3 speed left/7 speed right), 2 brake lines.

Features: 21-speed transmission, ergonomically designed position and trigger handle. Easy transmission, low split, gear display visualization, speed changes at a glance. Easy operation, low division. Specifications: Condition: 100% Brand New Compatible with: 3 front gears, 7 rear flywheels, 21 speed positioning transmission system. Scope of application: Handlebars with a diameter of 21~23mm.


Brand: ‎Vicue
Product model number: ‎VicueYWM-553-2
Product size: ‎0.7 x 0.3 x 0.1 cm; 150 g
Color: ‎Black
>Quantity: 2
Batteries included: No
Product weight: 150 g