Shimano Alivio HG51 8 speed Cassette

The Shimano Alivio HG51 8-speed cassette is a highly durable cassette which is very suitable for 8 speed Shimano gear shifting systems on mountain bikes.

Suitable for a multitude of applications
The Shimano Alivio HG51 8 speed is available in a wide range of different sizes. This cassette is suitable for most mountain bikers due to its wide range from largest to smallest sprocket. The large sprocket ensures that you can tackle most climbs with ease while the small sprocket ensures that you can also achieve a high speed on flat sections.

Reliable and precise shifting
The Shimano Alivia HG51 features Shimano's Hyperglide technology. This allows you to experience a precise and reliable shifting performance, even in bad weather conditions.

Gear ratios:
• 11-13-15-17-19-21-24-28
• 11-13-15-17-20-23-26-30
• 11-13-15-18-21-24-28-32

• Weight: 286 grams*

* Weighed by Mantel

Special tools for mounting
To (un)install this cassette, you'll need specific tools. These can be found here.

Don't forget the assembly grease!
Your cassette's lockring should be tightened well, commonly up to 40 Nm. To make removing the lockring in the future easier, we recommend lubricating it with a bit of assembly grease. You can find our selection of assembly greases here.

How often should I wash my bike? Regular cleaning makes sure your gear lasts longer so you can enjoy your bike for a long time. How often you should wash your bike depends on the weather conditions you ride in. Are you always out there, come rain or shine? Or are you strictly a fair-weather cyclist? It all influences the degree of wear on bike parts, and some of us have to wash our bikes more regularly than others. Refer to the plan below as a general guideline:

October to March:
• Wash every 200 km
• Rinse after every ride
• Dry and lubricate the chain after every ride
• Allow the bike to dry at room temperature

April to September:
• Wash every 300 km
• Rinse after a ride in the rain
• Dry and lubricate the chain after rinsing or washing
• Let the bike dry at room temperature