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Shimano 105 BR-5800 Brake Calipers

Shimano brake calipers have always set a high standard but the marked improvements in the totally redesigned BR-5800 brake calipers are perhaps on par with the jump forward in 5800's shifting, gear choices and ergonomics. Braking power is increased by 10% over 5700. Both brake feel and modulation are improved. The braking force you can generate from the hoods is now very close to force generated in the drops.

The design of the BR-5800 calipers symmetrically locates both pivots on a plate and each pivot rotates smoothly on its own bearing. This symmetrical pivot design locates the pivot closer to the brake pad for smoother, more powerful braking and braking force is much more evenly applied from each side. The BR-5800 also use Shimano's polymer coated cables (not included - the cables come with the levers) for less friction and a silky smooth feel.

Other details include replaceable pads held in standard Shimano holders. There is a cam-action quick release with micro-adjusting clicks and an alloy barrel adjuster with an oversize flange so you can fine tune on the fly if need be. Set includes both front and rear brake calipers with an assortment of different length brake nuts.


  • 379 gram actual weight
  • Symmetrical dual pivot design
  • Includes front and rear calipers
  • 10% power increase over 5700
  • Smooth and light operation with increased modulation
  • New Brake shoe compound (R55C4) - cartridge style replaceable pads
  • Adjustable toe-in brake shoes
  • Spring tension adjuster

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Reg Price $93.99