ZTTO Road Bike Cassette 11 Speed 12Speed CNC Gravel Bike Ultralight 11S Bicycle Freewheel 22S Flywheel K7 12V Sprocket

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ZTTO Road Bike Cassette 11 Speed 12Speed CNC Gravel Bike Ultralight 11S Bicycle Freewheel 22S Flywheel K7 12V Sprocket

Name: ZTTO Road Bike Cassette 11 Speed 12Speed CNC Gravel Bike Ultralight 11S Bicycle Freewheel 22S Flywheel K7 12V Sprocket
Brand: ZTTO
SKU: 525845171
Rating: 4.3 (33 reviews)

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ZTTO Road Bike Cassette 11 Speed 12Speed CNC Gravel Bike Ultralight 11S Bicycle Freewheel 22S Flywheel K7 12V Sprocket

Customer Reviews

4.3

33 ratings

lightweight (9)

high quality (4)

aesthetic design (2)

well-made (2)

ultra-lightweight (2)

inaccurate description (2)

Customer photos (9)

s***a

December 9, 2025

Variant: Color:Silver Crank Length:12 Speed Chainwheel Teeth:11-34T

The product seems well-made. I purchased the 11-34 12 speed cassette and the manufacturer indicates the weight as 141g. It actually weighs 166 gr. I tried to install it on the reel and it seems to have a bit of play but I'm waiting to try it on the road.

Translated

Buyer from Italy

August 27, 2026

Variant: Color:Black-Gold Crank Length:12 Speed Chainwheel Teeth:11-34T

For now it seems great. Very lightweight and aesthetically very nice. We'll see how many kilometers I can get out of it 🤞

Translated from Italian

Buyer from France

July 24, 2026

Variant: Color:Rainbow Crank Length:11 Speed Chainwheel Teeth:11-34T

The cassette is nice But not work well with Shimano Dura Ace 11s. The cassette is noisy even after adjustment by a professional I do not recommand this product

c***c

June 11, 2026

Variant: Color:Black-Gold Crank Length:11 Speed Chainwheel Teeth:11-32T

To be honest, the depth of the 11s cassette cover lock isn't enough for my bike. This cassette cover is only 7mm deep, while my bike needs 10mm. It seems that even after searching for aftermarket cassette covers, 7.5mm is the limit. It looks like I'll have to continue cycling while worrying about the cassette falling off.