

Introti Post Mount to Flat Mount Brake Adapter 140mm / 160mm Bike Disc Brake Adapter PM to FM Caliper Bicycle Rotor Adaptor Aluminum Alloy Bike Accessories
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1 availableAbout this item
- 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.
- 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.
- 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.
- 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.
- 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.
Product description
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 โฅ25mm is required; for +20mm models, a height โฅ13mm 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 includes: 1 x D
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
The package was here in Australia from England in a few days โ so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
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