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Flat Mount Caliper Bolts - Titanium

Flat Mount Caliper Bolts - Titanium

5(9 ratings)

Best price now

$6.75at Better BoltsChecked Nov 9

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Price facts

  • Last seen at $6.75 at Better Bolts on Nov 9.
  • Our take on the Flat Mount Caliper Bolts - Titanium

    Titanium flat mount caliper bolts for road, gravel and triathlon disc brakes, sold individually. Button head bolts come with a washer and are measured excluding the head; countersunk bolts are measured full length including the head and are used to attach brake adapters to the caliper. Titanium saves weight and resists corrosion compared with stock steel hardware, which is the main reason riders swap them. The catch is sizing: front and rear mounts use different lengths, and you need to measure your fork or chainstay thickness to pick the right bolt.

    Best forRoad and gravel riders upgrading stock caliper hardwareTriathlon and TT bikes with flat mount brakesWeight-conscious buildersRiders replacing corroded or stripped caliper bolts
    Pros
    • Titanium is lighter than steel hardware
    • Corrosion-resistant finish holds up in wet weather
    • Button head bolts include a washer
    • Clear length guidance for front and rear mounts
    • Countersunk option for adapter-to-caliper mounting
    Cons
    • Sold individually, so a full bike needs several
    • Sizing depends on measuring fork and chainstay thickness
    • No single length fits every frame
    • Easy to order the wrong length without checking

    Flat Mount Caliper Bolts - Titanium prices at every store

    • Better BoltsNew

      In stockReturn policy

      $6.75Checked Nov 9
      Visit Better Bolts

    About the Flat Mount Caliper Bolts - Titanium

    These titanium bolts secure a flat mount disc brake caliper on road, gravel and triathlon bikes. They are sold individually. The button head bolts include a washer.

    Button head bolts are measured excluding the head. For a fork, 15 mm is the usual length unless the bolt goes through the fork. For a rear chainstay, use the chainstay thickness in mm plus 7 mm. For example, a 25 mm chainstay needs a 32 mm bolt.

    Countersunk bolts are measured by full length including the head. They attach brake adaptors to the caliper.

    Material
    Titanium
    Use
    Flat mount disc brake calipers on road, gravel and triathlon bikes
    Sold as
    Individually
    Included
    Washer with button head bolts
    Thread
    M5
    Button head lengths
    M5x15mm, 17mm, 22mm, 27mm, 32mm, 37mm, 42mm
    Button head sizing
    Measured excluding the head
    Countersunk sizing
    Measured as full length including the head
    Rear length formula
    Chainstay thickness in mm + 7 mm
    Front fit: M5x15mm
    Very common for front adapter mounts
    Front fit: M5x42mm
    RockShox Rudy XPLR (2021-2025)
    Rear fit: M5x22mm
    Standert Kreissage RS (2023)
    Rear fit: M5x27mm
    Canyon Grail (2018-2024), Mondraker Arid (2024-2025), Bianchi Infinito CV Disc (2022), Colnago Y1RS (2024+)
    Rear fit: M5x32mm (Cervelo)
    R5 (2023-2025), C5 (2016-2019), S5, Soloist (2023-2025), Caledonia-5 (2021-2025), Caledonia (2021-2025), Aspero-5 (2022-2025), Aspero (2020-2025), R5CX (2023-2025), S3 (2019-2020)
    Rear fit: M5x32mm (other)
    Enve Fray (2024), Enve Mog (2023-2024), Enve Melee (2021-2024), Pinarello Dogma F (2021-2025), Trek Madone 8 (2024-2025), Trek Checkpoint Gen 3, Orbea Oiz OMX (2024), BMC Teammachine (2018-2024), Fact
    Rear fit: M5x32mm (Specialized)
    Crux (2021-2025), Tarmac SL8 (2023-2025), Tarmac SL7 (2021-2023), Tarmac SL6 (2019-2021), Roubaix (2018-2025), Allez (2019-2021), Aethos (2021-2025), Allez Sprint (2021), Diverge STR (2023-2024)
    Rear fit: M5x37mm
    Cervelo P-Series (2020-2025), P5 (2019-2025), P3X/PX-Series (2019-2025), P5X (2017-2019); Specialized Diverge Evo (2021-2022), Diverge (2021-2025); Cannondale SuperSix Evo (2020-2025); Santa Cruz Stig

    Questions and answers

    How do I pick the right bolt length?
    Button head bolts are measured excluding the head. Front fork bolts are typically 15mm unless the bolt passes through the fork. For rear chainstays, add 7mm to the chainstay thickness in mm; a 25mm chainstay takes a 32mm bolt.
    What are countersunk bolts for?
    Countersunk bolts attach brake adapters to the caliper. Unlike button head bolts, they are measured as the full length including the head.
    Do the bolts come with washers?
    Button head bolts include a washer. Bolts are sold individually, so order the number you need.
    Will these fit my gravel bike?
    They fit flat mount disc brakes on road, gravel and triathlon bikes, but length varies by frame. Canyon Grail (2018-2024) rear mounts use M5x27mm button head; check your own frame before ordering.
    Is titanium worth it over steel bolts?
    Titanium is lighter and resists corrosion better than stock steel hardware. The gain is small and mostly about weight and long-term durability rather than braking performance.
    What is the common front bolt length?
    M5x15mm button head is very common for most front adapter mounts. Some forks, such as the RockShox Rudy XPLR, take a longer M5x42mm bolt.
    Where is the Flat Mount Caliper Bolts - Titanium cheapest?
    At Better Bolts, for $6.75, as of our latest check.
    What do buyers say about the Flat Mount Caliper Bolts - Titanium?
    Rated 5 out of 5 from 9 ratings.