Shimano Disc Rotor SM-56 160Mm 6 Bolt Resin

Shimano SM-RT56 160mm 6-Bolt Disc Rotor (Resin pads)

Shimano doesn’t really make a “SM-56” rotor — the proper model name is SM-RT56, and that’s almost certainly what your listing is shorthand for.

Shimano SM-RT56 160mm 6-Bolt Resin Disc Rotor

What it is

• 160mm disc brake rotor
• 6-bolt mounting system
• Shimano Deore-level entry rotor
• Resin pad only design

Key features

• Stainless steel braking surface
• Anti-loosening washer system for bolt security
• Designed for quiet, smooth braking
• Compatible with most Shimano MTB hydraulic brakes (MT200 → Deore level)

Important compatibility note

• ❌ Resin pads only (no metal/sintered pads)
• ✔ Works with Shimano 6-bolt hubs
• ✔ Best matched with entry–mid Shimano brakes like MT200, MT400, Deore

How it compares (simple)

• SM-RT54 → Center Lock version of similar entry rotor
• SM-RT56 → 6-bolt version, slightly more universal
• SM-RT66 → stronger, works with resin + metal pads

Ride feel

• Quiet braking (main strength)
• Smooth and predictable modulation
• Good for XC / commuter / light trail use
• Not designed for heavy downhill heat loads

Bottom line

The Shimano SM-RT56 160mm 6-bolt rotor is a basic but reliable resin-only MTB rotor, ideal for everyday riding and entry-level hydraulic brake systems, prioritizing smooth and quiet braking over extreme performance.