Bicycle Superstore

Shimano Tourney RD-TY300D 6/7 Speed Rear Derailleur

Shimano Tourney RD-TY300D 6/7 Speed Rear Derailleur - Main image
$14.19 $19.99 In stock

Category: Parts - Derailleur

About Shimano Tourney RD-TY300 6/7 Speed Rear Derailleur
Compatible with 6 and 7-speed SIS Index Shifting drivetrains, the SHIMANO TOURNEY TY300 derailleur is offered in a wide range of fitments and cage options.

Features
Shimano Index System (SIS)

HYPERGLIDE

Specifications
Model No: RD-TY300-SGS

Series: TOURNEY

Compatible Chain: HG-UG 7/6-speed

Total Capacity: 43T

Cable Adjuster: Yes

Mount Direct Attachment (Conventional): Yes

Low Sprocket Max: 34T

Low Sprocket Min: 28T

Max. Front Difference: 20T

Pulley Teeth: 13/13T

Pulley Cage: SGS

Top Normal Spring Type Double Servo: Yes

Top Sprocket Max: 14T

Top Sprocket Min: 11T

Rear Speeds: 6/7

About Shimano
Shimano is a Japanese multinational manufacturer founded in 1921 by Shozaburo Shimano. They are well known as the largest bicycle component manufacturer in the world with their main manufacturing plants in Kunshan, China; Malaysia; and Singapore. Along with cycling components they also produce fishing tackle, and rowing equipment.

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Preparing your order

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery arrangements

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Before arranging a return

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.7 / 5 · 3 reviews)

Kevin ★★★★★

Picked this up to replace a worn-out part on my commuter bike, and it shifts into each of the 6 gears cleanly with no skipping. The installation was straightforward, and the spring tension feels just right for my old drivetrain.

Olivia J. ★★★★★

Installed this on an old 6-speed bike and the shifting is crisp with the SIS index system. It’s surprisingly quiet and handles the gear changes smoothly, even under load. For the price, it’s a solid upgrade that just works.

Zoe X. ★★★★☆

Swapped out my old derailleur for this one and shifting feels crisp again on my 7-speed setup. The direct-mount design made installation straightforward even for a home mechanic like me. Only wish the cage had a bit more clearance for bigger cassettes.