
Flat Mount Caliper Bolts - Titanium
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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.
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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.