Cycling Speed Cassette Bike Freewheel Sprocket Teeth 12 Speed 9-50T Compatible with XD Black,Mountain Bicycle Cassette

• LIGHT WEIGHT: The hollow design reduces the weight of the flywheel, and the lightweight steel does not impose an extra burden on the bicycle, making it easier to ride for a long time
• APPLICATION:This kind of flywheel is one of the most durable, Suitable for mountain bikes and folding bicycles,city bikes and so on
• FUNCTION: Providing fast riding speed with less effort needed,it is applicable to mountain bike freewheel
• DESIGN:The mountain bicycle cassette has a hollow out design which reduces much weight to lessen the burden of long time cycling
• MATERIAL: Mountain bike flywheel made of high tension steel, not easy to damage, which has a long service life

Description
The Bicycle Freewheel has a hollow out design which reduces much weight to lessen the burden of long time cycling, sprockets are lighter to further reduce weight without reducing strength. That Speed Cassette is easy to install without rear derailluer modification needed.You can mount the product with some common tools.
Features
Cycling speed cassette
-Color: Black.
-Material: 9-50T steel, 7075 alloy.
Weight: Approx. 532g
Compatible with XD9-11-13-15-18-21-28-32-36-42-50
Speed:12 Speed Cassette

Package Including
1 * Road bicycle cassette