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Shimano MF-TZ500 7-speed multiple freewheel Megarange, 14-34 tooth

• Megarange 14-34 tooth gearing for climbing capability - Extra-wide gear range with a massive 34-tooth largest cog provides low gearing for steep hills and loaded touring, making challenging climbs accessible even with heavy loads or limited fitness

• Freewheel design for older bike compatibility - Traditional freewheel construction threads directly onto the rear hub, making it ideal for older bikes, touring setups, budget builds, and frames designed for freewheel systems rather than modern cassette hubs

• 7-speed versatility for varied terrain - Seven-speed range offers enough gear options for flat roads, rolling hills, and steep climbs without the complexity of modern multi-speed systems, perfect for commuting, touring, and recreational riding

• Durable steel construction for long service life - Robust steel cogs withstand daily riding demands, heavy loads, and extended tours, providing reliable shifting performance over thousands of miles of varied use

• Shimano quality and wide-range practicality - Engineered to Shimano's proven standards for consistent shifting performance and compatibility with Shimano 7-speed drivetrains, offering exceptional value for riders who need genuine climbing capability

Brand: Shimano

Type: MF-TZ500 7-speed Megarange

Availability: In stock Out of stock

Delivery: 2-3 working days

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Regular price: £24.89
Sale price: £24.89
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Description

A reliable 7-speed screw-on freewheel

Engineered for smooth chain movement up or down the block

For 7-speed gear systems

Can be easily installed onto compatible screw-on type hub

Suitable for mountain bikes and a wide range of other cycles

Product Type Freewheels

Speed 7 Speed

Discipline Urban & Trekking

Colour Black

Size 14 - 34 teeth

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FAQ

Q: What makes the Megarange version different from the standard MF-TZ500? A: The Megarange version features a much larger 34-tooth largest cog compared to the standard 28-tooth version, providing significantly lower gearing for steep climbs and loaded touring. This extra-low gear makes it easier to tackle hills with heavy panniers, trailers, or when fitness is limited. The trade-off is larger jumps between gears, but the climbing capability is worth it for touring and hilly terrain.

Q: Will the 34-tooth largest cog work with my existing derailleur? A: The 34-tooth cog requires a long-cage rear derailleur with sufficient capacity to handle the large cog and the total gear range. Most Shimano Tourney and Altus long-cage derailleurs are compatible, but short-cage or road derailleurs will not work. Check your derailleur's maximum cog specification—it should support at least 34 teeth. If you're upgrading from a smaller freewheel, you may need to replace your derailleur.

Q: Is this freewheel suitable for touring with heavy loads? A: Absolutely. The Megarange 14-34 tooth configuration is specifically designed for loaded touring, providing the low gearing needed to climb steep gradients with panniers, trailers, or camping gear. The 34-tooth cog combined with appropriate front chainrings gives you the mechanical advantage to tackle challenging terrain without exhausting yourself, making it a popular choice among touring cyclists and bikepacking enthusiasts.

Q: How do the gear jumps compare to a standard freewheel? A: The Megarange has larger jumps between gears, particularly in the middle of the range, to accommodate the wide 14-34 tooth spread across seven speeds. While this means less fine-tuning of cadence compared to closer-ratio freewheels, the trade-off is worthwhile for riders who prioritize having an extremely low climbing gear. Most riders adapt quickly and appreciate the bail-out gear for steep climbs.

Q: What tools do I need to install this freewheel and how long will it last? A: You'll need a Shimano-compatible freewheel removal tool, a large adjustable wrench or bench vice, and grease for the hub threads. Installation is straightforward—thread it clockwise onto the hub and it self-tightens as you ride. Service life depends on conditions and maintenance, typically 2,000-6,000 miles. Keep your chain clean and replace it regularly to extend freewheel life. The robust steel construction handles touring demands well, though the larger cogs may wear faster under heavy loads.