zoom Shimano Ultegra 6800 Brake Caliper
Shimano Ultegra 6800 Brake Caliper
The new Ultegra 6800 brake caliper is a low profile aerodynamic Super SLR-EV Dual-Pivot design that provides superior brake performance and light action. The low profile outer cable stop position improves cable routing for reduced friction.
Top Features of the Shimano Ultegra 6800 Brake Caliper
- Brand-new Super SLR-EV Dual-Pivot symmetric brake caliper
- Twin Bearing reduces pivot friction
- Must be used in conjunction with super SLR levers for correct leverage ratio
- Enhanced brake arch proportions give a quicker linear response and increased power
- Greater braking power modulation
- Can be used on frames and forks with direct mounts
- Low profile outer cable stop position improves cable routing for reduced friction
- Cartridge brake shoes for easy replacement
- Convex washers on the brake shoes offer toe-in brake adjustment and easy alignment
- Lightweight aluminium construction, with an anodised finish to preserve the good looks
About Rim Brakes
Rim brakes for bikes use the sidewall of the rim to reduce speed, this is done by a pad on either side applying friction against the rim, which reduces your momentum. Road brake callipers have been redesigned over the years and now use a system called 'dual pivot' which means the brake arms pivot off centre to apply a higher amount of pressure on the rim to increase your stopping power. Most manufacturers use dual pivot callipers on the front and rear, but some Campagnolo brakes use a traditional single pivot on the rear to 'balance' the braking power, the logic behind this is that as you brake your weight shifts on to the front of the bike and as much as 75% of the braking force is applied to the front.
About the Shimano brand
Shimano are the makers of the world's most well known cycle component brand. Established in 1921 when the first cycle freewheel was forged. Shimano produce drivetrains, wheels, pedals, shoes, cycling clothing and pretty much every Shimano cycle accessory you can think of! Famous for their top end products ridden by the pro's, Dura-Ace and XTR, which cover both road and MTB's. At Shimano, they're doing everything they can to respond to heightened environmental concerns. Shimano are proud to be a producer of bicycle components that help people to enjoy outdoor sports and interact with nature through healthy non-polluting activities. In their 87 plus years of existence Shimano have accumulated a wealth of technology and product development and expertise that serves as the driving force behind their continually evolving product line.
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Product Q & A
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If no, any suggestions?
Also what are the differences between this 6800 brake caliper and the 6700 caliper
The brakes are dual pivot, the same as 6700, but instead of using the brake bolt as a pivot the Ultegra units have two symmetrical pivots that are attached to a carrier, that then mounts to the normal point. In my opinion there is a more positive feel to the brakes than the 6700 version. With the new shimano brake pads fitted, Shimano claim that they have a 10% increased braking power when compared to 6700 which are still a decent brake.
Many thanks in advance
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