Avid IS Bracket
Best reliable adapter for cyclists upgrading their disc brake rotor size.
This adapter bridges the gap between older frame standards and modern braking systems. It provides a secure, reliable mount for post-style calipers on rear IS frame tabs, ensuring your setup is dialed for a 170mm rotor.
$70.00
More Disc Post Spacer Kit options
Who it's for
- Riders seeking consistent braking performance and reduced pad wear
- Mountain bikers demanding durability on technical descents
- Home mechanics looking for a hassle-free component upgrade
Who should skip it
- Cyclists who frequently swap between different rotor diameters
- Weight-conscious builders prioritizing visual flair and premium finishes
- Users wanting a universal, all-inclusive mounting solution
Performance breakdown
Compatibility precision
Seamlessly bridges the gap between older IS frames and modern calipers.
Build durability
Stainless steel construction ensures long-term resistance against trail grit and corrosion.
Installation ease
Straightforward design makes upgrading your braking system a quick, frustration-free task.
Hardware quality
Included stainless bolts provide a secure, reliable fit right out-of-the-box.
Weight efficiency
Solid and dependable, though slightly heavier than lightweight alloy alternatives.
Alignment accuracy
Maintains perfect rotor positioning for consistent, reliable stopping power.
Key Specs
Frame/Fork Mount
IS
Caliper Mount
Post mount
Rotor Size
170mm
Weight
68.04 grams
Material
Stainless steel
Mounting Hardware Included
Yes
Application Area
Rear
Know before you buy
Still have a question?
Ask Metto anything about the Avid IS Bracket before you decide.