HotCheck
HotCheck x TiParts Titanium Front Brake Caliper Adapter | 60/70mm
HotCheck x TiParts Titanium Front Brake Caliper Adapter | 60/70mm
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About Hotcheck
About Hotcheck
Hotcheck makes titanium bike parts designed around real use, not spec sheet numbers. The brand's designer has worked as a machinist, a racer and a mechanic, so every part starts with one question: how can this be better than the OEM version?
Parts are made from S-grade titanium alloy on CNC lathes and machining centers, with tight tolerances wherever parts have to fit together. Performance comes first. Weight, finish and price follow from that.
S-grade Titanium | Polished Finish | 6.9g-7.9g per adapter | Titanium bolts and washers included
Made with specialised-grade titanium alloy sourced from Baoji Titanium, part of the Baoti Group, one of the leading titanium manufacturers in the world.
Coming in at just 65% the weight of a regular stock adapter, this piece adds extra bling to your ride without compromising toughness and durability due to specialised titanium alloys that provide excellent yield strength and fatigue resistance.
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Features
- S-grade titanium alloy for a light, corrosion-resistant part
- Material sourced from Baoji Titanium, Baoti Group
- Available in 70mm (Universal) and 60mm (Specialized/Cervelo S5) bolt hole centre distance
- Slotted, open design keeps weight down to 7.9 g (70mm) or 6.9 g (60mm)
- Supplied with matching titanium countersunk screws, mounting screws and washers
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Specifications
| Material | S-grade titanium alloy (Baoji Titanium, Baoti Group) |
|---|---|
| Finish | Polished |
| 70mm | 70mm bolt hole center distance, 140mm and 160mm rotors |
| 60mm | 60mm bolt hole center distance, 160mm rotors only |
| Adapter weight (70mm) | 7.9 g each |
| Adapter weight (60mm) | 6.9 g each |
| Countersunk screw | M5 x 9.5mm, 0.95 g each |
| Mounting screw | M5 x 12mm, 1.25 g each |
| Washer | Ø11 x 1.2mm, 0.25 g each |
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Compatibility
70mm Option: Most road bikes use this standard, including Aethos 2. Works with 140mm and 160mm rotors.
60mm Option: Known models: Specialized SL9/SL8/Aethos 1 and Cervelo 26 S5. Works with 160mm rotors only.
Measure your Adapter Hole Spacing before purchasing. Spacing is measured from centre to centre of mounting holes.
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What's Included
- 1 x titanium front disc brake adapter
- 2 x titanium countersunk screws (M5 x 9.5mm) (Connects brake caliper to adapter)
- 2 x titanium mounting screws (M5 x 12mm) (Connects adapter to fork)
- 2 x titanium washers (Ø11 x 1.2mm) (Helps prevent mounting screws from loosening)
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Installation and Care
This part affects braking safety, so we recommend installation by a qualified mechanic using proper tools. Incorrect installation can cause damage or failure.
70mm version installed in the normal orientation supports 160mm rotors. Reverse installation supports 140mm rotors.
60mm version when used on Specialized models supports forward installation and 160mm rotors only. When used on the Cervelo 26 S5, must be installed in reverse and supports 160mm rotors only.
- Tool: T25 Torx Key
- Apply high quality titanium anti-seize compound to the thread of every screw before installing
- Tighten to 5 to 6 N·m with a torque wrench
- After installing, re-check torque, check rotor clearance, spin the front wheel and test the brake
- On very rough roads, medium strength blue thread locker (such as Loctite 243) can be used instead of anti-seize
- Every 500 km or after riding in the rain, clean with a neutral cleaner and re-tighten to 5 to 6 N·m
- After any crash that hits the front wheel or handlebars, inspect the adapter fully even if it looks undamaged
Skipping anti-seize can cause the titanium screws to seize permanently, and they would then need to be removed destructively. If anything feels wrong during first installation or use, stop and contact customer service.
Not for: downhill, enduro, dirt jumps, freeride, e-bike conversions, or any use beyond road and gravel on paved surfaces.
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Links
HotCheck 2 Year Warranty
HotCheck 2 Year Warranty

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