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Rear Derailleur, Huazu Bike Parts Gear Shifter for RD-TZ31-A with Direct Mount/Hanger Mount for 6/7 Speed Mountain Bicycles

Rear Derailleur, Huazu Bike Parts Gear Shifter for RD-TZ31-A with Direct Mount/Hanger Mount for 6/7 Speed Mountain Bicycles

Q: Does it work with mongoose R4050WM 21 speed mountain bike?

I used it on my teens mongoose, unsure of the model, but I would think so?

Q: Does it work for a 21 speed bike?

Yes, we used it for a 21 Speed Mongoose bike

Product ID: 451202909

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Details

Brand
Huazu
Colour
Black
Material
Aluminum
Item weight
0.28 Kilograms
Mounting type
Braze-On Mount

🔩Direct mount design

⚙️6/7 speed compatibility

🛠️Durable aluminum alloy

Frequently Bought Together

Rear Derailleur, Huazu Bike Parts Gear Shifter for RD-TZ31-A with Direct Mount/Hanger Mount for 6/7 Speed Mountain Bicycles

Bike Chain Kit, Single/6/7/8/9/10/11/12 Speed Multi-Function Bike Mechanic Repair Kit, Chain Breaker and Bike Link Plier with Hook and 6 Pairs Bicycle Buckle, Reusable (6/7/8 Speed Bike Chain Kit)

FGBNM Single/6/7/8/9/10/11/12 Speed Bike Chain, Bike Chain for Road Mountain Racing Cycling

Description

🚴‍♂️ Shift into the future with precision and power!

WIDE GEAR CAPACITY - Supports up to 34T total capacity with sprockets ranging from 14T to 28T, perfect for varied terrain.
LIGHTWEIGHT YET DURABLE - Crafted from premium aluminum alloy and plastic for long-lasting performance without the bulk.
UNIVERSAL COMPATIBILITY - Fits mountain, road, folding bikes, and more—upgrade your ride with confidence and style.
ROBUST DIRECT MOUNT BUILD - Engineered with a direct mount system for secure attachment and enhanced stability—no hub bolt needed.
SEAMLESS 6 7 SPEED SHIFTING - Optimized for GS 6/7 speed SIS Index drivetrains, ensuring smooth gear transitions on every ride.

The Huazu RD-TZ31-A Rear Derailleur is a high-performance, direct mount gear shifter designed for 6/7 speed mountain and road bikes. Made from durable aluminum alloy, it offers stable, smooth shifting with a total capacity of 34T and fits a wide range of bike types. Backed by a 12-month warranty, it’s the reliable upgrade your bike deserves.

Specifications

Product dimensions	13L x 10W x 4H centimeters
Manufacturer	Huazu
UPC	731235765869
Color	Black
Size	L
Material Type	Aluminum
Batteries Included?	No
Department	unisex-adult
Item model number	RDTZ31A
ASIN	B09WRBHZNT

Have a Question? See What Others Asked

Does it work with mongoose R4050WM 21 speed mountain bike?

Does it work for a 21 speed bike?

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