These ultra-lightweight disc brake rotors are praised for their significant weight savings and cost-effectiveness but have limitations in heat dissipation and durability under extreme conditions.
Pros
- Extremely lightweight (77g for 160mm size)
- Cost-effective compared to premium brands
- Quick heat-up improves initial braking performance from cold
- Effective in wet conditions due to large skeletonized holes clearing water quickly
Cons
- Heats up quickly under heavy braking, leading to potential brake fade on long descents
- Not rated for use with fully metallic pads
- Not suitable for downhill mountain biking
Key Facts
- 77g weight for 160mm size
- Large skeletonized holes for water clearance
- 44mm center lock interface
Reviews & Ratings

The reviewer briefly mentions the 68g/pc Ultra-light Bicycle Hydraulic Disc brake Rotors MTB bike Road Racing Bike Brake Disc Rotor 140mm / 160mm 44mm 6 bolts but does not provide detailed analysis.
AI Summary

The reviewer discusses their experience with the 68g/pc Ultra-light Bicycle Hydraulic Disc brake Rotors, highlighting their lightweight nature and cost-effectiveness. They mention using these rotors for thousands of miles across different bikes, noting both advantages and drawbacks.
AI Summary
Pros
- Extremely lightweight (77g for 160mm size)
- Cost-effective (much cheaper than Shram Centerline discs)
- Quick heat-up improves initial braking performance from cold
- Effective in wet conditions due to large skeletonized holes clearing water quickly
- Good for flat terrains and weight-saving builds
Cons
- Heats up quickly under heavy braking, leading to potential brake fade on long descents
- Not rated for use with fully metallic pads
- Not suitable for downhill mountain biking
Where to Buy

68g/pc Ultra-light Bicycle Hydraulic Disc brake Rotors MTB bike Road Racing Bike Brake Disc Rotor 140mm / 160mm 44mm 6 bolts - AliExpress 18

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