Specification:
Origin: Mainland China
Core Application: Mountain bike A-pillar (PM direct mount) to road bike flat mount (FM) disc brake caliper, compatible with 74mm mountain bike mounting bolt spacing, adaptable to 34mm road caliper bolt spacing.
Main Material: High-strength aluminum alloy (lightweight + high rigidity)
Surface Treatment: Black anodized
MH-PTF00 (+0mm version)
Bolt Spacing Conversion: 74mm (Mountain PM) to 34mm (Road FM)
Installation Height: Disc brake mount height requirement 25mm
Screw Specifications: M5/M6 screws (including full set of screws + anti-loosening adhesive)
Disc Compatibility: 160mm PM to 160mm FM
Net Weight (Bracket): 13.9g
Total Weight with Screws: 31.7g
Size: PE bag packaging, 9cm (3.54in) x 4cm (1.57in) x 2cm (0.79in)
MH-PTF20 (+20mm) (Model)
Hole Spacing Conversion: 74mm (Mountain PM) to 34mm (Road FM)
Installation Height: Disc Brake Mount Height Requirement: 13mm
Screw Specifications: M5/M6 screws (including full set of screws + anti-loosening adhesive)
Disc Compatibility: 140 to 160mm / 160 to 180mm
Net Weight (Bracket): 13.4g
Total Weight with Screws: 31.2g
Size: PE bag packaging, 10cm (3.94in) x 5cm (1.97in) x 2cm (0.79in)
Note: Before installation, please confirm the disc brake mount height requirement of the frame/fork. For +0mm models, a height ≥25mm is required; for +20mm models, a height ≥13mm is required to avoid installation interference.
All screws are pre-coated with anti-loosening adhesive. Tighten to the specified torque during installation; no additional adhesive is needed.
Note:
Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!
Please allow a 1-2 cm difference in measurements due to manual measuring.
Package Content:1 x Disc Brake Adapter
4 x Mounting Screws (2 each of M5 and M6, including anti-loosening adhesive)
Selling point contentMTB Post Mount To Flat Mount Disc Brake Adapter PM To FM Caliper Bicycle Rotor Adaptor 140mm / 160mm PM To FM Disc Brake Bracket Converter Aluminum Alloy Bike Accessories
Features:
1.Solution for Compatibility Issues: Designed for MTB frame or fork with PM post mount, this post mount to flat mount brake adapter enables direct installation of FM flat mount road disc brake calipers. No modifications needed - upgrade your brake system effortlessly.
2.Lightweight and Sturdy Aluminum Alloy: Made with high-grade aviation aluminum, the post to flat mount brake adapter is ultra-light and maintains low unsprung weight. Its rigid structure and black anodized finish resist deformation and corrosion for long-term stability.
3.Dual Specifications for Various Upgrades: Choose between +0mm (for 160mm disc conversion) or +20mm (supports upgrading rotor size from 140 to 160mm/160 to 180mm). The MTB post mount to flat mount disc brake adapter covers multiple modification needs without changing rotors.
4.Precision Drill Hole Design for Easy Installation: Manufactured to industry standards, the bicycle brake adapter aligns 74mm/34mm holes precisely. M5/M6 screw holes are compatible with factory specs, ensuring centered caliper placement and linear, rub-free braking feel.
5.Complete Accessories Included: Each bike disc brake adapter comes with dedicated screws and threadlocker, so you don't need extra parts. Secure PE bag packaging prevents scratches in transit, making installation easy even for beginners.