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Shimano · 6-bolt disc brake rotor
A dependable 180 mm 6-bolt rotor for powerful, consistent braking.
$39.99
PriceIn stock, ready to ship
The Shimano SM-RT66 is a practical replacement rotor for bikes using a standard 6-bolt mount. Its 180 mm diameter delivers consistent stopping power, while compatibility with both resin and metal pads makes it easy to match with your existing brake setup.
Sold by Ashburton Cycles
Verified store
Price
$39.99
Rotor diameter
180 mm
Mounting standard
6-bolt
Brake pad compatibility
Resin / metal
The Shimano SM-RT66 is a 180 mm 6-bolt disc brake rotor designed as a reliable replacement for compatible mountain bikes and other disc-brake bikes. It offers consistent braking performance with more power, making it a sensible choice for everyday riding, trail use and dependable bike maintenance.
The rotor accepts both resin and metal brake pads, giving you flexibility when replacing pads or maintaining your existing braking system. Its anti-loosen plate construction helps keep the rotor bolts secure, supporting a quick and reliable installation.
If you are changing from a smaller rotor, check your frame and fork’s maximum approved rotor size and use the correct adaptor for the larger diameter. This version is supplied as one SM-RT66 rotor with six rotor bolts.
A practical choice for riders replacing a worn 6-bolt rotor who want dependable stopping power and broad resin-or-metal pad compatibility.
180 mm braking surface
Provides consistent stopping power for compatible bikes and is a common upgrade or replacement size.
Standard 6-bolt mounting
Designed for hubs that use the 6-bolt rotor interface.
Resin and metal pad compatible
Works with either common pad compound, giving you more flexibility when choosing replacements.
Anti-loosen plate construction
Helps keep the rotor bolts secure once installed.
Quick, secure installation
The integrated bolt-security design supports straightforward rotor replacement.
Stainless steel and aluminium construction
A practical material combination for a dependable replacement rotor.
Six rotor bolts included
The package includes one rotor and six rotor bolts for installation.
Shimano SLX RT66 & RT64 Brake Disc Rotor Compared, 6-bolt and Center Lock
LoveMTB
Every detail as listed by the manufacturer.
Shimano is a Japanese component brand founded in 1921 in Sakai, Osaka. The company began with bicycle component manufacturing and has grown into a global business focused on bicycle components, fishing tackle and rowing equipment, while keeping its headquarters in Sakai. In cycling, Shimano is best known for building complete component ecosystems that span road, mountain, gravel, commuting and e-bike use. Its range covers drivetrains, brakes, wheels, pedals, shoes and related parts, and the brand has had a long presence in Australia through a local business established in Sydney in 1992.
Shimano · 6-bolt disc brake rotor
A dependable 180 mm 6-bolt rotor for powerful, consistent braking.
$39.99
In stockRotor diameter
180 mm
Mounting standard
6-bolt
Brake pad compatibility
Resin / metal
Installation security
Anti-loosen plate
The Shimano SM-RT66 is a practical replacement rotor for bikes using a standard 6-bolt mount. Its 180 mm diameter delivers consistent stopping power, while compatibility with both resin and metal pads makes it easy to match with your existing brake setup.
The Shimano SM-RT66 is a 180 mm 6-bolt disc brake rotor designed as a reliable replacement for compatible mountain bikes and other disc-brake bikes. It offers consistent braking performance with more power, making it a sensible choice for everyday riding, trail use and dependable bike maintenance.
The rotor accepts both resin and metal brake pads, giving you flexibility when replacing pads or maintaining your existing braking system. Its anti-loosen plate construction helps keep the rotor bolts secure, supporting a quick and reliable installation.
If you are changing from a smaller rotor, check your frame and fork’s maximum approved rotor size and use the correct adaptor for the larger diameter. This version is supplied as one SM-RT66 rotor with six rotor bolts.
A practical choice for riders replacing a worn 6-bolt rotor who want dependable stopping power and broad resin-or-metal pad compatibility.
180 mm braking surface
Provides consistent stopping power for compatible bikes and is a common upgrade or replacement size.
Standard 6-bolt mounting
Designed for hubs that use the 6-bolt rotor interface.
Resin and metal pad compatible
Works with either common pad compound, giving you more flexibility when choosing replacements.
Anti-loosen plate construction
Helps keep the rotor bolts secure once installed.
Quick, secure installation
The integrated bolt-security design supports straightforward rotor replacement.
Stainless steel and aluminium construction
A practical material combination for a dependable replacement rotor.
Six rotor bolts included
The package includes one rotor and six rotor bolts for installation.
Shimano SLX RT66 & RT64 Brake Disc Rotor Compared, 6-bolt and Center Lock
LoveMTB