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  • Shimano XTR FH-M9110-B Rear Hub - Centerlock
  • Shimano XTR FH-M9110-B Rear Hub - Centerlock Side
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ShimanoXTR FH-M9110-B Rear Hub - Centerlock
$329.99

Item # SHI00NT

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  • Stealth Gray,32h, 12x148 ($329.99)
  • Stealth Gray,28h, 12x148 ($329.99)
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Item # SHI00NT
Description

XTR FH-M9110-B Rear Hub

Shimano's XTR group has a long history of success at the highest levels of competitive mountain biking, and after 27 years of development Shimano continues that winning pedigree with the all new XTR FH-M9110-B Rear Hub. Made with precision using the lightest and strongest materials in Shimano's lineup, this flagship rear hub offers impressive stiffness, low-rolling resistance, and the longevity you've come to expect from XTR—all at a very low weight. It's compatible with the new XTR 12 and 11-speed Micro Spline cassettes, and features Shimano's innovative Scylence drive system for quick accelerations and a silent coasting function that helps you channel all your focus to the trail ahead.

For the XTR M9100 group and the XTR rear hub, Shimano designed a new freehub body dubbed Micro Spline. Micro Spline allowed them to move from an 11t to a 10t small cog on their cassettes while adding a 12th gear, increasing the gear range to a whopping 510% on their wide-range 12-speed cassette. The Micro Spline freehub body is made of aluminum instead of steel, saving weight while actually improving durability as the smaller and more numerous splines are designed to distribute force more evenly over a greater area, preventing the cassette from eating into the freehub body. The design also allows for larger-diameter axles inside the hub, boosting lateral stiffness.

The other big change to the XTR rear hub is the cutting-edge Scylence drive mechanism. Instead of a pawl system, Scylence uses two ratchet-style drive rings that disengage while coasting for silent operation with almost no drag. Pedaling torque engages the freehub ratchet instead of flimsy pawl springs, so the hub stays locked in place with firm power transfer as long as there's pressure on the pedals. And while most of us are used to the buzzing sound of rear hubs, Shimano claims that the silent operation helps reduce rider distraction and lets you hear how much traction your tires have at all times, dispelling the notion that loud buzzing equals high performance. The Scylence system also offers quick 7.6-degree engagement for maximum efficiency when hammering up punchy climbs, accelerating out of a corner, or ratchet-pedaling through tight rocks.

Finally, the XTR rear hub uses cup and cone bearings that are serviceable. That's definitely something you'll want to do on occasion in order to keep them running in top shape. After all, they're a lightweight, race-tuned set of bearings, which means they're capable of operating at levels that other bearings can only dream of.

  • Shimano's flagship mountain bike rear hub with Boost spacing
  • Scylence drive system for silent coasting with minimal drag
  • Micro Spline freehub saves weight while improving durability
  • Snappy 7.6-degree engagement for quick pedaling response
  • Increased acceleration by reducing inertia and weight
  • Works with XTR M9100-series 12 and 11-speed cassettes
  • Available in 28 or 32-spoke configurations; centerlock rotors only
  • XTR M9100 continues Shimano's legacy of innovation with the ultimate mountain bike racing hubs
Tech SpecsWeight
Tech Specs
Material
[hub shell & freehub body] aluminum, [ball bearings] stainless steel
Hub Type
12 x 148mm Boost
Rotor Compatibility
Centerlock
Spoke Count
28h, 32h
Recommended Use
cross-country, enduro, trail
Manufacturer Warranty
3 years
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Grams

Oz

Stealth Gray,32h, 12x148
246g
8.68oz
Stealth Gray,28h, 12x148
247g
8.71oz

Claimed Weight

Claimed weights are provided by the vendor.

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231g

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