First Look: Shimano 105 11-speed group

Parts

Shimano expands 11-speed road offerings with new 5800-series 105 group

On the heels of similarly-geared, high-end Dura-Ace and Ultegra series groups, Shimano brings 11-speed road to the relative masses with the launch of their value-packed 105 5800-series component line.

The FD-5800 front derailleur features a redesigned pull arm and a new spring mechanism for light, accurate front shifting that includes a new low-trim position designed to reduce chain drop.

The new 5800 crankset utilizes a four-arm crankarm design that reduces weight and optimizes power transfer. It’s available in multiple gearing options including 53-39T, 52-36T and 50-34T chainring combinations.

Shimano’s new HG600 11-speed chain is an asymmetric design with a Sil-Tec inner link plate for smooth and reliable shifting. Shimano’s new CS-5800 cassette is offered in 12-25T, 11-28T and 11-32T 11-speed ranges.

The ST-5800 brake levers feature 10mm of reach adjustment and a slim, compact shape, for increased comfort and control, especially from the hood position. The 5800’s new SLR-EV calipers also feature a new symmetrical dual-pivot design, offering 10-percent increase in brake power over prior versions of the 105 brake. Twin bearings reduce pivot friction and the redesigned calipers are compatible with larger volume 28c tires. The calipers are also offered as direct mount BR-5810 aero brakes.

Rounding out the new 105 5800 group are updated pedals, the new PD-5800 carbons.

New Shimano 105 5800 series components will be available in June and can be had in black or silver color options.

Shimano 105 5800 11-speed Road Component Pricing
  • BR-5800 Brakes – $104.99
  • CS-5800 Cassette – $69.99
  • FC-5800 Cranks – $199.99
  • FD-5800 Front Derailleur – $39.99
  • RD-5800 Rear Derailleur – $64.99
  • ST-5800 Shift/Brake Levers – $289.99
  • CN-HG600 Chain – $34.99
  • SM-BBR60 Bottom Bracket – $29.99
  • COMPLETE GROUP – $834.92

Available: June 2014

For more information visit shimano.com.

First Look: Shimano 105 11-speed group Gallery
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Shimano 105 5800 Group

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Shimano 105 5800 Cranks

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