Description
Shimano BR-M7100 SLX Hydraulic Disc Brake
Product Overview
The Shimano BR-M7100 SLX is a lightweight 2-piston hydraulic disc brake caliper engineered for cross-country racing and XC riding. This caliper prioritizes weight savings and modulation with fast-connect banjo hose fittings, ceramic pistons, and mineral oil hydraulics. The 2-piece aluminum design delivers stable, predictable braking control across variable terrain and speeds.
Key Features
- Lightweight 2-piston design – Minimal material and weight distribution optimized for XC performance without sacrificing braking power or modulation
- Ceramic pistons – Improved heat management and reduced expansion under sustained braking; maintains consistent pressure and feel across extended descents
- Banjo hose connection – Fast-connect fitting system simplifies installation, hose routing, and maintenance compared to barbed fittings; allows tool-free hose removal
- 2-piece caliper construction – Separates piston and pad carrier for lightweight engineering while maintaining rigidity and alignment
- Mineral oil hydraulics – Shimano's proprietary mineral oil system provides reliable modulation, easy maintenance, and lower environmental impact than DOT fluid
- Stable, versatile control – Well-modulated lever feel delivers responsive braking across variable speeds and terrain without grabbing or inconsistency
- Quick installation system – Simplified mounting and alignment process reduces setup time and installation errors
- IS mount adapter compatible – Works on post-mount frames; can be adapted for IS (International Standard) mounts with optional adapter
Technical Specifications
- Brake type: Hydraulic disc, 2-piston
- Mount type: Post-mount (IS adapter compatible)
- Series: SLX M7100
- Application: Cross Country
- Piston type: Ceramic, 2 total
- Pad specification: J04C Metal
- Hose connection: Banjo (fast-connect)
- Hose compatibility: SM-BH90-SBM (not included)
- Hydraulic fluid: Shimano Mineral Oil
- Caliper material: Aluminum alloy
- Design: 2-piece
- Mounting bolt: 5mm steel bolts
- Finish: Painted black
Compatibility and Ideal Use Cases
- Compatible levers: BL-M7100 (Shimano recommended); compatible with most Shimano mineral oil hydraulic levers
- Compatible rotors: SM-RT70 (Shimano recommended); standard 140mm–180mm rotors
- Frame requirement: Post-mount brake mounts; works on IS mounts with optional adapter
- Hose requirement: SM-BH90-SBM 2000mm hose sold separately; banjo connection type
- Fluid type: Shimano Mineral Oil only; do not mix with DOT fluid systems
- Pad type: J04C Metal pads (higher friction, better modulation than resin; may produce more noise)
- Best for: Cross-country racers, lightweight XC builds, riders prioritizing weight savings and modulation, and performance-oriented riders on smooth to moderate terrain
- Ideal terrain: Fast XC trails, racing, climbing-heavy routes, and conditions where weight reduction matters
- Installation: Requires mechanical skill and proper bleeding; banjo connection simplifies hose removal but system still requires mineral oil and bleeding procedure
- Note: Metal pads offer superior modulation and performance but may produce audible noise in wet conditions; rotor noise normal with metal pad material; recommended rotor SM-RT70 optimized for this caliper pad combination




