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Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor

Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor

Best price now

$6.00at N+1 BikesChecked 1 h ago

Compared across 21 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Best price today: $6.00 at N+1 Bikes (checked Nov 12, 2026).
  • Checked at 21 stores.

Our take on the Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor

A single Shimano fixing bolt for mounting a flat-mount disc brake caliper to a flat-mount frame. It is 16.8mm long and fits the 74mm caliper-to-frame standard. This is a replacement or build part, not an upgrade: it does the same job as any correct-length mounting bolt. Buy it when you need a spare, lost a bolt, or are assembling a flat-mount setup and want Shimano hardware.

Best forReplacing a lost or damaged caliper boltBuilding up a flat-mount frameKeeping a spare on hand
Pros
  • Correct 16.8mm length for flat-mount calipers
  • Shimano hardware quality and fit
  • Simple, single-bolt replacement
  • Standard 74mm flat-mount spacing
Cons
  • Sold individually, so a full set needs several
  • No washers or other hardware included
  • Only fits flat-mount frames, not post-mount

Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor prices at every store

  • N+1 BikesNew

    In stock

    $6.00Checked 1 h ago
    Visit N+1 Bikes
  • Velo MineNew

    In stockReturn policy

    $7.00Checked 1 h ago
    Visit Velo Mine
  • Centraal CycleNew

    In stockReturn policy

    $7.00Checked 1 h ago
    Visit Centraal Cycle
  • Northwest BicycleNew

    In stockReturn policy

    $7.00Checked 1 h ago
    Visit Northwest Bicycle
  • Goodwynn'sNew

    In stockReturn policy

    $7.00Checked 1 h ago
    Visit Goodwynn's
  • Pro Bike SupplyNew

    In stockReturn policy

    $7.00Checked 1 h ago
    Visit Pro Bike Supply
  • Lenny's Bike ShopNew

    In stockReturn policy

    $7.00Checked 1 h ago
    Visit Lenny's Bike Shop
  • Bicycle WarehouseNew

    In stockReturn policy

    $7.00Checked 1 h ago
    Visit Bicycle Warehouse
  • Seattle Electric BikeNew

    In stockReturn policy

    $7.00Checked 1 h ago
    Visit Seattle Electric Bike
  • Performance BicycleNew

    In stock

    $4.55+ $4.99 shippingChecked 1 h ago
    Visit Performance Bicycle
  • Modern BikeNew

    In stock

    $6.00+ $8.99 shippingChecked 1 h ago
    Visit Modern Bike
  • Newbury Park Bike ShopNew

    In stock

    $7.00+ $8.00 shippingChecked 1 h ago
    Visit Newbury Park Bike Shop
  • Send It BikesNew

    In stockReturn policy

    $15.07Checked 1 h ago
    Visit Send It Bikes
  • SX CollectiveNew

    In stock

    $5.88+ $10.00 shippingChecked 1 h ago
    Visit SX Collective
  • Colorado CyclistNew

    In stock

    $6.30+ $9.95 shippingChecked 1 h ago
    Visit Colorado Cyclist
  • Universal CyclesNew

    Availability unknown

    $6.00Checked 1 h ago
    Visit Universal Cycles
  • Sierra Bicycle SupplyNew

    Availability unknown

    $6.00Checked 1 h ago
    Visit Sierra Bicycle Supply
  • Trek Bicycle Stores of FloridaNew

    Availability unknown

    $7.00Checked 1 h ago
    Visit Trek Bicycle Stores of Florida
  • Durango BikesNew

    Availability unknown

    $7.00Checked 1 h ago
    Visit Durango Bikes
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $10.61Free shippingChecked 1 h ago
    Visit Amazon
  • Worldwide CycleryNew

    Availability unknown

    $12.99Checked 1 h ago
    Visit Worldwide Cyclery

Also available at

  • Worldwide CycleryCheck price at Worldwide Cyclery
  • Trek Bicycle Stores of FloridaCheck price at Trek Bicycle Stores of Florida

Store links may earn us a commission.

Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor price history

Lowest price we've seen: $4.55 on Nov 12 at Performance Bicycle. Tracked across 12 stores since Nov 12.

About the Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor

These are Shimano mounting bolts for flat-mount disc brake calipers. The name lists a 16.8mm bolt length and a 74mm caliper on a flat-mount frame adaptor.

The bolts are sold individually.

Brand
Shimano
Type
Disc brake caliper fixing bolt
Bolt length
16.8mm
Mounting
Flat-mount
Sold as
Individually

Questions and answers

Will this bolt fit my flat-mount frame?
It is made for flat-mount calipers on flat-mount frames with the 74mm standard. Check that your frame and caliper are flat-mount before buying.
How long is the bolt?
It is 16.8mm long. That length suits flat-mount caliper mounting; post-mount setups use different bolts.
How many bolts come in one order?
One bolt. A caliper typically needs two, so order the number you need.
Does it work with any flat-mount caliper?
It is a Shimano part and fits Shimano flat-mount calipers. Other brands may use different thread or length, so match it to your caliper.
Is this a good upgrade bolt?
No. It is a standard replacement part. Buy it to replace a lost or damaged bolt, not to change braking performance.
Where is the Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor cheapest?
At N+1 Bikes, for $6.00, as of our latest check.
Where can I buy the Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor?
21 stores we checked sell it, including Worldwide Cyclery, Velo Mine, Centraal Cycle, Send It Bikes, Northwest Bicycle.

Stores we've priced the Shimano 16.8mm Disc Brake Caliper Fixing Bolt 74mm Caliper on Flat-Mount Frame Adaptor at

  • Performance Bicycle deals and prices
  • Sierra Bicycle Supply deals and prices

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