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Shimano XTR M9100 – Back to where it all started.
The Shimano XTR M9100 group was developed to meet the demands of mountainbike racers at the highest level and guarantees “second to none” performance. The range offers the most versatile components for XC, Enduro and Marathon races.
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Shimano XTR FC-M9125-1 Boost crank
The Shimano XTR FC-M9125 crank works with a wide range of M9100 chainrings from 30 to 38 teeth to fit every riding style and terrain. The 1×12-speed crank with hollow forged arms uses Direct Mount chainrings (sold separately) for further weight reduction and improved power transfer. The Direct Mount system makes it also easy to switch out the chainring when needed.
With a wider 174 mm Q-factor, the FC-M9125-1 is ideal for the use at Enduro and Trail bikes. Its Boost design for 12×148 mm rear dropouts supports aggressive riding and offers improved manoeuvrability.
bottom bracket: SM-BB94-41A (Press Fit) / SM-BB93 (thread type)
crank arms: aluminium (anodized)
axle: steel (plated)
approx. 573 grams (with 32 teeth chainring)
approx. 587 grams (with 34 teeth chainring)
crank (without chainring and bottom bracket cups)







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