Shimano Saint M820
Gravity-focused downhill performance
Specifications
- Speed
- 10-speed
- Derailleur
- RD-M820 Shadow+
- Shifter
- SL-M820 RAPIDFIRE Plus
- Crankset
- FC-M820 HOLLOWTECH II
- Crank Lengths
- 165mm, 170mm, 175mm
- Chainring
- 36T, 38T
- Cassette
- CS-M771 11-34T / 11-36T
- Chain
- CN-HG95
- Gear Range
- 309% / 327%
- Weight
- Approx. 2000g
- Features
- Shadow+, Steel DH freehub
Overview
Built for the hungry gravity racer, Saint M820 sets the benchmark in downhill durability and performance. Mechanical 10-speed shifting with RAPIDFIRE Plus technology, ultra-strength HOLLOWTECH II crankset with steel axle, and DH-specific components designed for World Cup racing.
Features
Ultra-strength steel HOLLOWTECH II axle
Steel pedal inserts
DH-specific rear freehub body
RAPIDFIRE Plus long lever design
Instant Release shifting technology
Low-friction sealed bearing pivots
Shadow+ derailleur stabilization
Gravity racing optimized
Maximum durability for DH
Race-proven performance
Tool-free reach adjustment ready
World Cup downhill heritage
Guides for setup
All guidesChain Maintenance
Essential tips for cleaning, lubrication, and extending component life.
Derailleur Indexing
Fine-tune cable tension, limit screws, and B-gap for crisp, accurate shifting under load.
Weather & Conditions Adaptation
Setup adjustments for wet, muddy, dry, and cold conditions — tires, suspension, drivetrain, and brakes.
How we evaluate this component
Product cards, analysis notes, and setup guidance are grounded in public specifications, market positioning, compatibility, and the most likely real-world use cases on trail.
Read the full methodology