XTR

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This week, Lennard Zinn discusses Shimano's new electronic groupset for mountain bikes and answers compatibility questions

Shimano's new XTR Di2 group wasn't always so polished.

Electronic XTR front and rear shifts to be activated with a single shifter

Wider gear ranges, a single-ring option, and even lighter brakes highly new group from Japanese component maker

LZ takes on XTR compatibility

Tech meister Lennard Zinn explains Shimano's tweaks to its line

Tech guru Lennard Zinn says that perhaps what's not said about Shimano XTR philosophy is that there clearly has been a fundamental shift about what the venerable XTR group actually symbolizes.

Singletrack.com's Zach White puts his foot down on Shimano's 2011 XTR pedals. What's his conclusion? Subtly outstanding…

Lennard Zinn, Singletrack.com's master technician, answers readers' questions. This week, the need to bleed (brakes); seat angles; and Dyna-Sys XT.

Hot damn! One rippin' ride on 2011 Shimano XTR has Singletrack.com's tech editor Zack Vestal highly impressed with the venerable group's re-tooling.

Adam Craig was running Shimano's latest take on its top-tier group at the Downieville Classic last weekend. Check out what AC thinks of the 2011 XTR.

Stop waiting and start drooling: Take your pick of top end XC or trail-worthy parts in 2x10 or 3x10, light brakes or big brakes, and everything else you need to hotrod your ride.

Singletrack.com's resident-wrench, Lennard Zinn, has a full mailbag this week: Readers want to know about SRAM XX and lubin' various things up.

Are there any detailed instruction manuals available that can guide me through the disassembly/reassembly process of Shimano XTR shifter/brake levers?