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The lowest price for Shimano SLX SM-RT66 Disc Rotor 6 Bolt right now is $19.95 at Merlin Cycles, compared across 42 retailers.
The all-time low was $19.95 on 6 Oct 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 7 Oct 2026.
Shimano SLX SM-RT66 Disc Rotor 6 Bolt
Last updated at 07/10/2026 12:25:23
SHIMANO SM-RT66M Disc Centerlock Silver 180 mm
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Shimano SM-RT66 6-Bolt Rotor - Silver / 180mm / 6 Bolt
Delivery $45.37
Shimano SM-RT66 disc Diameter 180 mm
Delivery between Thu – Fri $40.54
Shimano Disc Brake Rotor SM-RT66 6 Bolt 180mm
Free delivery between 12–20 Oct
Shimano SLX SM-RT66 Disc Rotor 180mm 6-Bolt
Delivery between Fri – Tue $9.99
SLX SM-RT66 6-Bolt Disc Brake Rotor
Delivery between 9–14 Oct $9.90
Shimano SLX SM-RT66 Disc Rotor 180MM
Delivery between 12–20 Oct $9.50
Shimano SM-RT66 Disc Rotor SLX 6-Bolt
Delivery $20
Shimano SM-RT66 SLX 6-Bolt Disc Rotor - 180mm
Delivery between 12–14 Oct $9.95
Shimano SM-RT66 SLX 6-Bolt Disc Rotor - 180mm
Delivery between 13–21 Oct $9.95
| Bicycle Type | Mountain Bike |
| Brake Type | Disc brake |
| Groupset Compatibility | SLX |
| Size | 180mm |
| Weight | Approx. 135 g (for 160mm) |
SHIMANO SM-RT66M Disc Centerlock Silver 180 mm
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Shimano SM-RT66 6-Bolt Rotor - Silver / 180mm / 6 Bolt
Delivery $45.37
Shimano SM-RT66 disc Diameter 180 mm
Delivery between Thu – Fri $40.54
Shimano Disc Brake Rotor SM-RT66 6 Bolt 180mm
Free delivery between 12–20 Oct
Shimano SLX SM-RT66 Disc Rotor 180mm 6-Bolt
Delivery between Fri – Tue $9.99
| Bicycle Type | Mountain Bike |
| Brake Type | Disc brake |
| Groupset Compatibility | SLX |
| Size | 180mm |
| Weight | Approx. 135 g (for 160mm) |
