Bicycle brake disc Ø180 mm 6 holes Shimano SM-RT66

Shimano SMRT66 front or rear brake disc

New front or rear brake pad adaptable for MTB, road, gravel bikes... depending on dimensions with Shimano SLX M7000, ABS AU301, SLX M670 braking system.

It is essential to ensure the type of disk you need before ordering by checking its dimensions. It is also necessary to replace your brake pads when changing the disc. Also remember to put a drop of glue type "threadlock" on the disk screws to prevent it from loosening.

SHIMANO 6-hole brake discs SM-R66 provide consistent stopping power in all conditions. The reliable construction of the brake disc anti-loosening plate allows for quick and safe installation.

Technical characteristics of the disc

• Brand: Shimano
• Modèle: SM-RT66
• Material: steel
• Number of fixing holes: 6
• Type of mounting holes: smooth
• Mass: 137 grams
• Sold with brides and clamping screws

Dimensions of the disc (see marks on the typical diagram)

• A - Fixing center distance: 22 mm
• B - Fixing center distance: 38 mm
• C - Fixing center distance: 44 mm
• D - Outer Diameter: 180 mm
• E - Diameter fixing holes: 5 mm
• F - Inner Diameter: 33 mm

Shimano is a Japanese brand founded in 1921, specializing in the manufacture of bicycle parts and components. It is also a world leader in bicycle equipment (derailleurs, pedals, wheels, cassettes, etc.). Shimano is a world-renowned brand, it equips a large part of the professional peloton and sponsors many cycling teams.