Shimano Tourney RD-A070 7-Speed Rear Derailleur Short Cage 28T

Shimano Tourney RD-A070 Rear Derailleur – 7-Speed Short Cage | 28T Max Cog | Standard 10x1 Mount

The Shimano Tourney RD-A070 rear derailleur is a dependable and affordable replacement designed for 7-speed drivetrains. Featuring Shimano’s Smartcage design, it delivers smooth shifting performance in a compact short-cage configuration while supporting up to a 28-tooth low cog.

Ideal for entry-level road, hybrid, and recreational bikes, the RD-A070 provides reliable gear changes and easy compatibility with Shimano 7-speed systems.

Specifications

• Model: RD-A070

• MPN: ERDA070D

• UPC: 689228297418

• Speeds: 7-Speed

• Cage Length: Short Cage

• Largest Rear Cog: 28T

• Chain Wrap Capacity: 37T

• Pulley Size: 11T / 13T

• Mount Type: 10x1 Standard Derailleur Hanger

• Rear Der/Shifter Compatibility: Shimano Mountain (7-speed)

• Color: Black

Key Features & Benefits

• Shimano Smartcage design for compact efficiency
• Supports up to 28T rear cassette cog
• Short cage for tight drivetrain setups
• Compatible with Shimano 7-speed shifters
• Smooth, reliable shifting performance
• Ideal OEM replacement derailleur

Compatibility Notes

✔ Designed for 7-speed Shimano drivetrains
✔ Requires standard derailleur hanger (10x1 mount)
✔ Maximum rear cog: 28T
✔ Total capacity: 37T

Ideal For

• 7-speed road bikes

• Hybrid and commuter bikes

• Entry-level MTB builds

• Budget drivetrain replacements

• Restoring smooth shifting performance

Why Choose Shimano Tourney?

Shimano Tourney components offer proven reliability and easy serviceability at an accessible price point—perfect for everyday riders who want dependable shifting without unnecessary complexity.

A straightforward, reliable 7-speed rear derailleur built for smooth performance and long-lasting durability.