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Material: aluminum alloy

Weight: 40g (32T), 51g (34T), 63g (36T), 83g (38T)

Color: black, red, blue, green, gold, purple

Number of teeth: 32 (32T), 34 (34T), 36 (36T), 38 (38T)

Why is it narrow?

Narrow-width design provides a simple one-fold configuration for almost any sprocket configuration without the need for chain guides. This is a cost-effective upgrade that can improve the chain retention rate.

104 Generality of BCD

Stop the chain and install it simply. Choose from a variety of colors and tooth options.

Advantages of elliptic chain

Designed to provide different mechanical advantages at different points of pedal travel. This effectively changes the transmission ratio under different rotation angles to achieve an ergonomic feeling.

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Oval chainwheel superiority, increased frequency, and easier middle gear planning
Blue represents the trampling interval
Red represents the middle gear

Aluminum alloy is lighter, rust-free, and dent-resistant

Narrow-wide chainwheels reduce bicycle weight
1. Chain
2. Wide-tooth
3. Narrow-tooth

Note: The following dimensions are manually measured. Please allow for errors of up to 5 mm.
Support for 7, 8, 9, 10, and 11 speed bicycles. Ensure that your crank is 104 BCD

Use on mountain bikes, road bikes, and more.

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