This Shimano XTR M980 10 Speed Hollowtech II Double Chainset is no longer available although you may find similar or newer versions below:
The veritable heart of the new XTR Trail drivetrain is a trail-tuned double-ring chainset. 38-26T double set up is ideally suited for all-mountain use in conjunction with 11-36T cassettes.
|Bottom Bracket Type:||Hollowtech II|
|No. Of Chainrings:||Double|
|Use:||Cross Country, Trail, All Mountain|
Dyna-Sys combines features like quick-shifting CloseStep front gear ratios (think: bigger granny, smaller big ring), a wide-range 11- to 36-tooth 10-speed cassette and re-engineered shifters and derailleurs that are less susceptible to trail chatter or contamination. Together, Shimano Systems Engineering unlocks performance and versatility never before seen in a triple, and it's all tied together with the industry's first mountain-bike-specific 10-speed chain.
Riders who would otherwise have to pull the ripcord and battle technical climbs from the trenches of their granny gear range can now push farther up the trail in their middle ring thanks to the increased range of a 36-tooth low-end rear gear. The granny gear is still there, you'll just need it less, and the 42-tooth big ring is more useable and easier to get into than ever before, so you'll use it more.
Simply put, XTR Trail is the most efficient mountain bike drivetrain singletrack has ever seen
Your chainset must fit onto your bottom bracket! There are currently four chainset/bottom bracket interfaces that you're likely to come across. If your bottom bracket is made by Shimano and it has splines, then you need an Octalink chainset. If your b/b is NOT made by Shimano and it has splines, it's almost certainly ISIS. There are a very few non-Shimano chainsets with Shimano Octalink interfaces so, to be sure, count the splines - ISIS has 9, Octalink has (surprise, surprise) 8. No matter which brand of b/b you have, if it has a square interface, it will require a traditional square taper chainset. If you have one of the new Hollowtech II systems, you will need to choose the exact chainset that matches your bottom bracket. Most MTB chainsets are now 9-speed compatible but these will work with an 8-speed system.
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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