Shimano
SHIMANO CS-HG51-8 CASSETTE / 8-SPEED ALIVIO MTB TREKKING HYPERGLIDE
SHIMANO CS-HG51-8 CASSETTE / 8-SPEED ALIVIO MTB TREKKING HYPERGLIDE
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SHIMANO CS-HG51-8 CASSETTE (8-SPEED) – RELIABLE HYPERGLIDE SHIFTING PERFORMANCE AT ALIVIO LEVEL
The proven choice for a precise and durable shifting system on your mountain bike, trekking bike, or touring bike: The Shimano CS-HG51-8 sprocket cassette offers solid performance at a proven Alivio level. Equipped with advanced **Shimano Hyperglide™ (HG) technology**, the cassette features strategically positioned shifting ramps and special tooth profiles. These guide the chain quickly and directly onto the next sprocket, instead of allowing it to slide uncleanly over the tooth tips. The result is noticeably quieter, smoother, and highly efficient gear changes even under moderate load.
This highly functional **bicycle cassette** consists of robust, chrome-plated steel sprockets that are optimally protected against corrosion and premature wear. Compared to older 7- and 8-speed generations from Shimano, the weight has been noticeably reduced by enlarged sprocket windows (cut-outs). The CS-HG51-8 is fully compatible with the classic Shimano MTB freehub standard. **SYSTEM NOTE:** With an optional 1.85 mm spacer, the cassette can also be easily mounted on modern Shimano Road 11-speed and 12-speed freehub bodies. Cassette mounting is absolutely secure thanks to the included, also chrome-plated steel lockring.
Product Details & Features
• Hyperglide (HG) Tooth Profile: Optimized chain guidance for precise, fast, and reliable gear changes
• Weight-optimized Steel Sprockets: Thoughtful material cut-outs reduce self-weight without loss of stability
• Chrome-plated Surface Finish: Excellent protection against weather influences, rust, and mechanical abrasion in everyday use
Data & Identification
• Brand: Shimano | Model: CS-HG51-8 | Speeds: 8-speed | Material: Steel (chrome-plated)
• Freehub: Shimano MTB (Road with 1.85 mm Spacer) | Recommended Chain: Shimano HG / IG (e.g. CN-HG71 or CN-HG40)
• HAN (Variants): E-CSHG518128 (11-28T) | E-CSHG518130 (11-30T) | E-CSHG518132 (11-32T)
Scope of Delivery
1x Shimano CS-HG51 8-speed cassette including 1x Shimano lockring made of steel.
Conclusion
The Shimano CS-HG51-8 cassette is the ideal choice for commuters and touring cyclists looking for a durable replacement part in OEM quality. If you want to refresh your **bicycle drivetrain** cost-effectively and maintain the usual shifting precision of the market leader, this HG cassette is exactly the right choice.
Product Information & Conditions
GPSR Information
Manufacturer
Shimano Europe B.V.
High Tech Campus 92
5656 AG Eindhoven
Niederlande
Email: privacy@shimano-eu.com
Note: All product information and technical data are compiled with the utmost care. Nevertheless, errors, discrepancies, or changes cannot be ruled out. Manufacturers reserve the right to change specifications, features, and weights without prior notice. Subject to change without notice.
NEW / DISCONTINUED GOODS WITH GUARANTEE / USED GOODS WITH GUARANTEE
Our standard
We invest considerable time and care in each of our bicycles and parts before they go on sale. Every bike and every item is thoroughly cleaned, inspected, and, if necessary, fitted with new wear parts to ensure it's technically sound and visually appealing.
This is precisely where we differ from many other providers: You only receive items from us that have been honestly and conscientiously inspected. The condition and all relevant information can be found transparently and comprehensibly in our item information and terms and conditions .
This way, you know exactly what to expect – and can be sure that you'll get a bike or part that will give you long-lasting pleasure without the need for major repairs after a short period of time.
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USED GOODS - Warranty
If you choose our used bicycles, components, or equipment, you benefit from additional security: We offer a one-year warranty . So you can ride worry-free, knowing we'll stand behind you even after your purchase.
Note: Items expressly marked as “defective” or “DIY goods” are excluded from the warranty.
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NEW GOODS - Guarantee
When you purchase new bikes, exhibition pieces, demonstration models, or discontinued items, you are doubly protected: You receive a 2-year manufacturer's warranty or a 2-year guarantee – clearly and transparently stated in the item information.
This means you are better protected than if you were buying privately, and you can rely on our support even after the purchase.