The Shimano XT SL-M8100 Rapidfire Plus lever delivers faster, lighter, and more precise shifting for 12-speed mountain bike drivetrains. Its redesigned I-Spec EV construction improves ergonomics and flexibility, allowing riders to maintain control across demanding trails and technical terrain.
Designed for both XC and enduro riders, this lever reduces operation force by 35% and increases main lever access speed by 20% compared to previous models. The compact, lightweight design ensures rapid, smooth shifts for single or double chainring setups, while the ergonomic layout keeps your hand position comfortable and consistent. Its push-and-pull mechanism provides instant response, enhancing focus and control on every ride.
Key Features
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RAPIDFIRE PLUS lever for quick, light, and precise 12-speed shifting
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I-Spec EV construction for flexible, ergonomic cockpit setup
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35% reduction in operation force versus previous SL-M8000 model
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20% faster main lever access for improved responsiveness
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Single-lever front shifting for double chainring systems
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Lightweight and compact design for XC and enduro riding
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Push-and-pull lever operation for instantaneous gear changes
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Average weight: 117 g
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Clamp band included for secure attachment
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Compatible with Shimano 12-speed rear derailleurs
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Maximum of 4 multiple shifts with main lever
Technical Specifications
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Model: SL-M8100-R
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Speed: 12-speed
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Lever type: RAPIDFIRE PLUS
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Mounting: I-Spec EV
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Operation force reduction: 35% vs SL-M8000-R
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Main lever access: 20% quicker vs SL-M8000-R
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Multi-bearing construction: 2
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Average weight: 117 g
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Compatible drivetrain: Shimano 12-speed RD
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Maximum multiple shifts (main lever/rear): 4