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Shimano Acera M360 7/8sp SGS Rear Derailleur

• Dual compatibility for 7-speed and 8-speed systems - Works seamlessly with both 7-speed and 8-speed drivetrains, providing flexibility for different bike setups and making it ideal for upgrades, replacements, or mixed-component builds

• Acera-level reliability and performance - Shimano's proven Acera engineering delivers consistent, dependable shifting for commuting, recreational riding, and light trail use at an accessible price point

• Durable construction for everyday riding - Robust build quality withstands the demands of daily use, weather exposure, and varied terrain, providing reliable performance over thousands of miles without premium pricing

• Easy installation and adjustment - Straightforward setup and tuning make it accessible for home mechanics and bike shops alike, with Shimano's proven design ensuring compatibility across Acera and similar-level components

• Cost-effective replacement or upgrade solution - Provides reliable Shimano quality at a budget-friendly price, making it perfect for bike repairs, restorations, entry-level builds, and riders who prioritize dependability over premium features

Brand: Shimano

Type: 7-8 Speed

Availability: In stock Out of stock

Delivery: 2-3 working days

Product variants

Regular price: £29.89
Sale price: £29.89
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Unit price: per

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Description

7/8 Speed compatible

Max. Sprocket size: 28-34 teeth

Total Capacity: 43 Teeth

Weight: approx. 306g

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FAQ

Q: What does "SGS" mean and how does it differ from other cage lengths? A: SGS stands for "Super Long Cage" (though in practice it's often just "long cage"), which means this derailleur can accommodate a wider range of gears compared to short-cage (SS) or medium-cage (GS) versions. The SGS cage handles larger cassettes/freewheels (typically up to 34 teeth) and greater total capacity, making it ideal for touring, hilly terrain, and bikes with wide-range gearing or triple chainrings.

Q: Can I use this derailleur with both 7-speed and 8-speed systems? A: Yes, the M360 SGS is compatible with both 7-speed and 8-speed drivetrains. Shimano's 7-speed and 8-speed mountain bike systems use the same cable pull ratio and cog spacing, so this derailleur works seamlessly with either setup. Just ensure you're using matching 7-speed or 8-speed shifters, cassettes/freewheels, and chains for your specific system.

Q: What is the maximum cassette or freewheel size this derailleur can handle? A: The M360 SGS long-cage derailleur can accommodate cassettes or freewheels up to 34 teeth on the largest cog. Common compatible ranges include 11-28T, 11-32T, 11-34T, and 14-34T (Megarange). The long cage also provides the capacity needed for triple chainring setups or wide-range double chainring combinations, making it versatile for touring and hilly riding.

Q: Is this derailleur compatible with 9-speed or higher systems? A: No, the M360 is designed specifically for 7-speed and 8-speed drivetrains and will not work properly with 9-speed, 10-speed, or 11-speed 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 set up and maintain this derailleur? A: Basic setup involves: 1) Setting the high limit screw to prevent the chain from shifting past 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 across all gears, and 4) Setting the B-screw to control the gap between the upper pulley and largest cog. Regular maintenance includes cleaning the pulley wheels, lubricating pivot points, and checking cable condition. Replace worn pulley wheels and keep the derailleur clean for optimal performance.