- Shimano XTR M980 10 Speed Cassette
Shimano XTR M980 10 Speed Cassette
Three alloy carriers and 5 titanium sprockets make this Shimano's lightest 10-speed Dyna-Sys MTB cassette.
Top Features of the Shimano XTR M980 10 Speed Cassette
- 3/2x10 speed
- Nickel-plated finish offers hard wearing resistance to corrosion
- Alloy cassette lockring
- For 10-speed HG-X MTB chains
- Average weight 255 g for 11 - 34T
Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. The close ratio gearing allows a more efficient use of energy through finer cadence control.
Three separate lightweight alloy carriers reduce weight and increased stiffness giving more precise faster shifts. The five largest sprockets are made from titanium to reduce weight without sacrificing strength and the sprockets are cut away extensively and drilled to further reduce weight without reducing rigidity.
About Cassettes & Freewheels
Cassettes and freewheels for bikes are a cluster of sprockets in a range of sizes offering a multitude of gear ratios. The difference between the two is, a cassette slots onto the freehub, which has the ratchet built in and is then secured with a lockring, whereas a freewheel is a cluster of sprockets built around a ratchet and threads directly on to the hub. Cassettes and freewheels come in many ratios, close ratio is when the number of teeth increase in small increments of 1 or 2 at a time, whereas a wide ratio is when the teeth increase in larger increments of 3 or 4 at a time. Most systems will use a cassette hub as these allow for a wider bearing spacing and increased axle life, you can also fit a larger quantity of sprockets onto a cassette hub with 11 speed systems now becoming available. With cassettes you must use the appropriate spacing for your gear levers and rear mech, Shimano and Campagnolo are not interchangeable so you will need to match the cassette to your levers for smooth and precise shifting. Sram and Shimano chains and cassettes will work together as they use the same spacing.
About the Shimano brand
Shimano are the makers of the world's most well known cycle component brand. Established in 1921 when the first cycle freewheel was forged. Shimano produce drivetrains, wheels, pedals, shoes, cycling clothing and pretty much every Shimano cycle accessory you can think of! Famous for their top end products ridden by the pro's, Dura-Ace and XTR, which cover both road and MTB's. At Shimano, they're doing everything they can to respond to heightened environmental concerns. Shimano are proud to be a producer of bicycle components that help people to enjoy outdoor sports and interact with nature through healthy non-polluting activities. In their 87 plus years of existence Shimano have accumulated a wealth of technology and product development and expertise that serves as the driving force behind their continually evolving product line.
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Product Q & A
Ask your questions and share your answers.
Will an XTR M980 cassette last longer than a XT M771 or is the difference just in performance.
I currently ride about 160Km a week and am presently changing XT M771 cassettes about every 5 months (rides are both on & off road). My bike is a CUBE LTD 29er.
Performance? Less weigh and easier to clean.
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