Price: $12.99 - $11.99
(as of Jan 31, 2025 03:59:21 UTC – Details)
Product Description
Tourney Front derailleur
TY300 6/7 speed
Welcome to THALOUS
THALOUS is a professional bicycle brand factory, which has been deeply involved in the bicycle industry for more than 20 years. We are committed to bringing good products and experiences to customers. We specialize in bicycle accessories and strictly control the quality, just to bring you a perfect riding experience.
Four sizes to choose from: Up Swing 31.8mm/ Up Swing 34.9mm/ Down Swing 31.8mm/ Down Swing 34.9mm
Before purchasing, please confirm:
The front derailleur you need is a pull-up or pull-down?The mounting size of your bike pole is 31.8mm or 34.9mm？ 
About front derailleur TY300
MODEL NO FD-TY300-DS6 SERIES TOURNEY Front speeds 3 Rear speeds 7/6 Compatible chain HG-UG 7/6-speed Swing Mode Up Swing/Down Swing(choose according to your needs) Chain line (mm) 50 Chain stay angle (deg.) 66-69 Top gear teeth 42T Total capacity 18T
More details 
Side show
Precise positioning of the screws makes the speed change smoother.
Series
Tourney Series
Two size to choose
Fit diameter 31.8mm (1.25in)
34.9mm (1.37in)
Model Number
The model number TY300 is shown correctly on the product.
Make riding easier 
Model: Bicycle front derailleur FD-TY300 DOWN swing, suitable for 3×7 and 3×6 speed system. Please choose the one that suits your bike before buying
Installation diameter:34.9 mm; Compatible tooth ratio:42T; Drawing mode:up double pull
Double SIS positioning: 47.5-50 mm chain center line compatible with wide chain design, which can improve variable speed response and extend service life
Features: Clamp Band Mount; Made of high strength aluminum alloy material,strong and durable,lightweight design
Principle of speed change: The speed change line pulls the guide chain piece to toggle the chain, so that the chain runs on different tooth pieces of the tooth disk, realizing the tooth ratio of different speeds, making the riding more effortless and faster.
Customers say
Customers are satisfied with the bicycle derailleur’s functionality, quality, and value. They say it works well, is a direct replacement, and should last for a long time.
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