Shimano SM-RT66 6-Bolt Brake Rotor - Versatile and Durable
The Shimano SM-RT66 6-bolt brake rotor is crafted from stainless steel in a durable one-piece design, available in sizes ranging from 160 mm to 203 mm. Ideal for SLX brakes, it’s also compatible with XTR, XT, Alfine, and other systems, offering reliable braking across multiple setups. Mounting hardware is included for easy installation, making this rotor a versatile and dependable choice for various riding styles.

SPECIFICATIONS

Mount: 6-bolt
Diameter: 160 mm, 180 mm, 203 mm
Design: 1-piece
Rotor Material: stainless steel

Approved For:
Brake Compatibility: BR-M9100*, BR-M9120, BR-M9000, BR-M9020, BR-M8100, BR-M8120, BR-M8000, BR-M8020, BR-M7100, BR-M7120, BR-M7000, BR-M6000, BR-MT520, BR-MT420, BR-M820, BR-M640, BR-S7000, BR-S700, BR-R9170**, BR-R8070**, BR-R7070**, BR-RS805**, BR-R785**, BR-RS785**, BR-RS505**, BR-RS405**, BR-RX810**, BR-RX400**, BR-CX77**, BR-R517**, BR-R317**, BR-RS305**, BR-U5000**
Brake Pad Compatibility: sintered***, organic

* not compatible with 203 mm
** only 160 mm
*** with BR-S700 and BR-S7000 only organic

Features:
- performance indicator: select (level 1 out of 3)
- polished
- with self-locking plates
- for brake pads with narrow pad shape

Manufacturer Part Numbers:
180 mm: I-SMRT66M
203 mm: I-SMRT66L

Contents:
- 1 x Shimano SM-RT66 brake rotor
- 6 x Shimano bolts
- 3 x Shimano rotor tightening plates

Weight: 160mm-115g ; 180mm-139g

FAQ

What type of mount system do I require to install the Shimano rotor on my wheel?
The Shimano rotor uses 6-Bolt to fix and secure to the hub.

What brake pads are the Shimano SLX RT66 brake rotor compatible with?
The Shimano SLX RT66 brake rotor are compatible with Metal and Resin pads.

What size diameter is the Shimano SLX RT66 brake rotor available in?
The Shimano SLX RT66 brake rotor is available in 160 mm, 180 mm and 203 mm.

Shimano SM-RT66 6-bolt Brake Rotor