Buy the holder once, and the insert for ever after
SHIMANO BR-6700 holder and insert, road caliper
A Shimano BR-6700 Ultegra road caliper pad set with a stiff alloy holder and a replaceable cartridge insert.
What you are getting
A Shimano BR-6700 Ultegra caliper pad set for road dual-pivot brakes: a stiff light alloy holder with a replaceable pad insert. $16.28 — the most expensive item on this page.
Holder plus insert is a different product from a brake block
Every other rim shoe in this group is a one-piece block on a post. This is two parts: an alloy holder that bolts to the caliper arm, and a rubber cartridge insert that slides into it and is held by a small grub screw.
The consequence is what you buy next time. When the compound wears out you replace the insert, not the holder — a few dollars instead of sixteen. The Shimano R55C3 cartridge shoes on this page are that replacement for the same BR-6700 family.
So this listing is the one you buy once; that one is the one you buy again.
It fits more than Ultegra
“Fits all Shimano road brake calipers and many other brands as well.”
Dual-pivot road calipers settled on a common holder geometry decades ago, which is why a Shimano holder fits a great many non-Shimano brakes. “Many other brands” is vague, and the claim is still a reasonable one for the format.
What it does not fit is anything in the other two families on this page: V-brake and cantilever arms take a posted block, and a BMX brake takes a threaded post.
“Stiff light alloy holder” is the engineering claim
A holder has one job beyond holding: not flexing. Braking force tries to twist the pad out of alignment with the rim, and a holder that gives lets the pad bite on its edge instead of its face. Aluminum alloy is stiffer per gram than the steel backing on the Shimano BR-CT91, which is why road calipers use it.
Shimano publishes no stiffness figure, and nobody does.
Three bullets, and one of them is a reference number
“Stiff light alloy holder.” “Replaceable brake pad insert.” “Shimano Reference Number: BR-6700.”
That is the whole listing. No weight, no length, no compound, no insert model number — which is awkward, because the insert is the part you will shop for later. The R55C3 on this page is the answer, and it took comparing two listings to establish it.
What is not published
No weight, no pad dimensions, no compound, no rim material — unusually, since both Shimano cantilever shoes on this page state “aluminum rims” and a road caliper is exactly where carbon rims are common. No insert part number.
For $16.28 that is a thin sheet, and the value is in the format rather than in the data.
Availability
Read on the day this page was built: $16 at the American Amazon shop.
Read from Keepa on the day this page was last revised; stock and price both move without notice.
Prices quoted in this text were read on 2026-10-06. The live price is at the top of the page.
