Shimano XTR M9120 J-Kit 4 Pistons Rear Disc Brake Silver 2025

For the first time in its history Shimano unveiled a XTR brake with 4 pistons caliper. Designed for Enduro this XTR M9120 disc brake will enjoy lots of riders who search a very light and powerfull brake. Master cylinder conception has changed with wider clamp and new position for the new I-Spec EV system. It provides a very wide range of positions for the shifter to perfectly fit most of riders. 4 pistons caliper has dual body construction inspired by the Saint but even lighter. This brake provides fast, powerfull and constant braking in all conditions.

J-KIT version for easier and faster installation on your bike

Master cylinder features

• Body material : NC
• Lever blade material : Aluminium
• Lever blade size : 2 fingers
• Mount : Clamp compatible with I-spec EV
• Reach adjust without tool
• Pads contact point adjust
• Technologies :
    - Free Stroke : Pads contact point adjust
    - I-Spec EV : Wider range of adjusments for shifter
    - ServoWave : For fast engagment and accurate braking
• Oil : Shimano Mineral
• Colour : Grey

Caliper features

• Material : Aluminium
• Dual body construction
• Pistons material : Ceramic
• Number of pistons : 4
• Mount : Postmount
• Technology :
    - Ice Technology : Great heat dissipation
• Oil : Shimano  Mineral
• Pads :
    - Resin (N03A)
    - Metal (N04C)
• Recommanded rotor : Shimano RT-MT900
• Colour : Grey

Hose

• SM-BH90-SBM
• Length : 170 cm (J-Kit)

Sold WITHOUT rotor and adapter

Shimano weight : 385g