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Shimano RD-TY300 6/7-speed rear derailleur with mounting bracket

• Includes mounting bracket for universal compatibility - Comes with a mounting bracket adapter that allows installation on frames with traditional derailleur hangers, providing versatility for different frame types and making it suitable for a wider range of bikes

• Dual compatibility for 6-speed and 7-speed systems - Works seamlessly with both 6-speed and 7-speed drivetrains, providing flexibility for different bike setups and making it ideal for entry-level bikes, replacements, and budget builds

• Tourney-level reliability for basic riding - Shimano's proven Tourney engineering delivers dependable shifting for commuting, recreational riding, and casual cycling at the most accessible price point in Shimano's range

• Durable construction for everyday use - Robust build quality withstands the demands of daily commuting and recreational cycling, offering reliable performance for basic riding needs without premium pricing

• Budget-friendly complete replacement solution - Provides reliable Shimano quality with the mounting hardware included at the lowest price point, making it perfect for entry-level bikes, children's bikes, bike repairs, and riders who need basic, dependable shifting performance

Brand: Shimano

Type: 6-7 Speed

Availability: In stock Out of stock

Delivery: 2-3 working days

Product variants

Regular price: £23.89
Sale price: £23.89
Regular price
Unit price: per

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Description

Shimano TY300 6 / 7-speed rear derailleur (bracket attachment)

SIS rear index shifting

SGS cage can handle wide range gearing and 34 tooth sprockets

13 tooth pulleys offer long service life and less noise

Product Type Rear Derailleurs

Speed 7 Speed

Speed 6 Speed

Discipline MTB

Discipline Urban & Trekking

Mounting With Bracket

Colour Black

Size SS - short

Di2 No

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FAQ

Q: What is the mounting bracket for and do I need it? A: The mounting bracket adapter allows the RD-TY300 to be installed on frames with traditional derailleur hangers (the standard bolt-through design found on most bikes). If your frame has a traditional threaded derailleur hanger, you'll use the bracket. Some modern frames have integrated direct-mount hangers that may not require the bracket. The included bracket ensures compatibility with the widest range of frames.

Q: Can I use this derailleur with both 6-speed and 7-speed systems? A: Yes, the RD-TY300 is compatible with both 6-speed and 7-speed drivetrains. Shimano's 6-speed and 7-speed systems use the same cable pull ratio and cog spacing, so this derailleur works seamlessly with either setup. Just ensure you're using matching 6-speed or 7-speed shifters, cassettes/freewheels, and chains for your specific system.

Q: What cassette or freewheel sizes can the RD-TY300 handle? A: The RD-TY300 typically accommodates cassettes or freewheels with up to 28-34 teeth on the largest cog, depending on the specific variant and cage length. Common compatible ranges include 14-28T and 14-34T (Megarange). Check your total drivetrain capacity (difference between largest and smallest gears front and rear) to ensure it's within the derailleur's limits for proper shifting performance.

Q: Is this derailleur compatible with 8-speed or 9-speed systems? A: No, the RD-TY300 is designed specifically for 6-speed and 7-speed drivetrains and will not work properly with 8-speed, 9-speed, or higher systems. Different speed systems use different cable pull ratios and cog spacing, so mixing components will result in poor or non-functional shifting. Always match your derailleur speed rating to your shifters and cassette/freewheel.

Q: How do I install and adjust the RD-TY300 with the mounting bracket? A: Installation involves attaching the mounting bracket to your frame's derailleur hanger, then securing the derailleur to the bracket. Basic adjustment includes: 1) Setting the high limit screw to prevent the chain from overshooting the smallest cog, 2) Setting the low limit screw to prevent shifting past the largest cog, 3) Adjusting cable tension using the barrel adjuster for crisp shifts, and 4) Setting the B-screw to control the gap between the upper pulley and largest cog. The TY300 is straightforward to install and adjust, making it suitable for home mechanics and entry-level bike maintenance.