SHIMANO 21252 Rear Derailleur Exage Bike Bicycle Lx 400

( Brand: Shimano ), ( Manufacturer Part Number: 21252 ), ( Model: REAR ), ( Type: Derailleurs ), ( Color: Black Silver ), ( Country/region Of Manufacture: Japan ), ( Vintage: Yes )

Review SHIMANO Rear Derailleur Exage 400 Vintage Bike Bicycle Factory Sealed New

Shimano 21252 Rear Derailleur - EXACTRA LX 400 Bike Components

The Shimano 21252 Rear Derailleur EXACTRA LX 400 is an exceptional addition to any serious cyclist's arsenal. This high-performance derailleur, designed by the renowned Shimano brand, promises a smooth, precise, and efficient shifting experience that will significantly enhance your cycling journey.

Crafted with a robust yet lightweight aluminum body, the EXACTRA LX 400 boasts a durable design that can withstand the rigors of off-road cycling. Its advanced technology and meticulous engineering ensure minimal chain slap and excellent chain management, even when navigating the most challenging terrain.

The derailleur boasts a sophisticated Shadow RD design, which reduces chain rub and chain sag, thereby improving shifting performance and reducing noise. The long cage design offers increased range, accommodating a wide range of sprockets, making it ideal for mountain bikes and cyclocross bikes.

The EXACTRA LX 400 is equipped with Shimano's patented I-Spec II technology, allowing for a clean, integrated shifter clamp that reduces handlebar clutter and improves ergonomics. The derailleur also features a micro-adjustment bar to fine-tune the derailleur position, ensuring optimal chain alignment for precise and consistent shifting.

In conclusion, the Shimano 21252 Rear Derailleur EXACTRA LX 400 is more than just a bike component; it's a game-changer for cyclists seeking a seamless, responsive, and reliable shifting experience. Whether you're a seasoned mountain biker or a cyclocross enthusiast, this derailleur is the perfect choice for taking your cycling performance to new heights.

1. Superior Shift Quality: The Shimano Deore XT M8100 Rear Derailleur is renowned for its precise and quick shift performance, ensuring a smooth and efficient ride.

2. Durable Construction: Built with a sturdy and lightweight aluminum body, this derailleur can withstand the rigors of off-road cycling, offering longevity and reliability.

3. Adjustable Cage Length: The adjustable cage length allows for compatibility with a wide range of gearing configurations, catering to various riding styles and terrains.

4. Shadow Plus Technology: This technology minimizes chain slap and chain contact with the frame, reducing noise and improving overall drivetrain efficiency.

5. Compatibility: Compatible with up to 10-speed cassettes, making it a versatile choice for many cyclists.

1. Price: The Shimano Deore XT M8100 Rear Derailleur is on the higher end of the price spectrum for a rear derailleur, which may be a deterrent for budget-conscious cyclists.

2. May Be Overkill for Casual Riders: If you're a casual rider or only ride on flat terrain, the advanced features and durability of this derailleur may be more than you need, making it an unnecessary expense.

3. Weight: Although lightweight for its class, the Shimano Deore XT M8100 Rear Derailleur is heavier than some other options on the market, which could potentially affect the overall weight of your bike.

The Shimano Deore XT M8100 Rear Derailleur (Shimano 21252) is an excellent choice for off-road cyclists who value precision, durability, and a smooth shifting experience. Its Shadow Plus Technology, adjustable cage length, and compatibility with a wide range of cassettes make it a versatile and reliable option. However, if you're a casual rider or are budget-conscious, you may want to consider less expensive options. Ultimately, the decision depends on your specific needs and riding style.

Details:

With love and blessings. Rear Derailleur. Please see pics for details and overall condition. Vintage Bike Bicycle Part.

To recycle and keep shipping costs down, we reuse boxes, including clean food packages grocery story plastic bags for safe packaging of items. Factory Sealed. EXAGE LX 400.

part #: 21252 prices

• $15.00-$43.31

specifications vintagebikepartiz:

• brand: Shimano
• mpn: 21252
• model: Rear
• type: Derailleurs
• color: Black Silver
• country/region of manufacture: Japan
• vintage: Yes

seller vintagebikepartiz:

• # reviews: 352
• city: Waycross, Georgia
• rating: 99.5%

payments vintagebikepartiz:

• other
• wallet: Paypal
• credit card: Visa

returns vintagebikepartiz:

• policy: No Returns

general vintagebikepartiz:

• Cycling > Vintage Cycling > Vintage Bicycle Parts

offer vintagebikepartiz:

• options: Ship-to-home
• sold: 0
• started: June 26, 2025
• quantity: 1
• availability: In Stock

shipping vintagebikepartiz:

• class: Standard
• carrier: USPS
• transit: 5-13 Days
• type: Calculated
• service: USPS Ground Advantage
• cost: $9.31

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