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Item # SHI0258

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Item # SHI0258


Servo-Wave. This unique Shimano feature has now made its way into road brakes and can be found when you mate these Ultegra BR-6700 brake calipers with the ST-6700 brake levers. Same basic design at the 7900 Dura-Ace, just a little heavier and a lot cheaper.

The Servo-Wave is what has improved modulation and power. Servo-Wave in the brakes also means you've got to use these calipers with 6700 or 7900 levers or they are not going to work, at least according to Shimano.

Servo-Wave also means they've redesigned the arms. In addition to curves that work better with the increased cable pull at the lever, they've redesigned the arm that houses the cable stop. This arm has been moved and the stop angle changed for better cable routing, which has the effect of reducing cable friction. The arm position also reduces the likelihood of the brake slamming against your downtube on those rare occasions when your front wheel flips hard to the right.

Beyond Servo-Wave, they've also improved their braking compound. The new compound improves braking power by 20% in the dry and 100% in the wet. The spring tension in the calipers can also be adjusted to get a feel that's more in tune with your braking style. Brake shoe toe-in is adjustable.

  • Low Profile outer cable stop improves cable routing for reduced friction especially with sloping frame
  • New SLR design: Enhanced brake arch pivot location for quick linear response
  • Adjustable toe in brake shoes
  • Better control through ergonomic brake system
  • 317 grams

Tech Specs

road caliper
Claimed Weight:
317 g
Recommended Use:
Manufacturer Warranty:
2 years

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I would like to know about this item that...

I would like to know about this item that is selling for this price. So, Do you are selling both rear and front or only front ? Because, in the information weight its showed 317 g then now I have a second question this weight is only for one piece or both? Thanks. Marcos L Lopes.

Hey Marcos,

We were selling them as a pair but now we are selling them for just the front brake. As for the weight of just one caliper, that will be 153.5 grams. I hope this answers your questions.



801.736.6396 ex4389