There are many styles of this model. Compatible Dental Disc: 34/50T. Material: Aluminum Alloy/Steel. Fit Speed: 9S/10S/11S. important to us.
Road Bike Double Chainring 130BCD 39/53T Aluminum Tooth Plate 8/9/10/11 Speed
UK 53-39T 52-36T 50-34T 110BCD Road Bike Double Chainring 9-11S Chainwheel Black
MTB Road Bike Double Head Bottle Cage Extender Aluminum Alloy Mountain Road Bicy
Folding Mountain Bike 20 Inch Wheels 6 Speed Bicycle Road Bike Double V Brake uk
SNAIL MTB Road Bike Single Chainring Screws Sprocket Crankset Chainwheel Bolts
