Shimano 105 5800 Groupset 2x11-speed - Special Offer

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Description of Shimano 105 5800 Groupset 2x11-speed - Special Offer


With the 5800 series Shimano launched a brand new version of one of the most popular road groupsets worldwide, the 105. The new 105 adopts key features of the earlier introduced race proven groupsets Dura Ace and Ultegra and brings it to the cycling enthusiasts for every day riding. The new main features are an 11-speed drivetrain that shifts more precise and lighter than ever, improved brake power and better bike control.

The groupset consists of:

  • 105 ST-5800 STI 2x11-speed - pair
  • 105 BR-5800 brake caliper - pair
  • 105 FC-5800 crankset 2x11-speed - 172.5 mm
  • 105 FD-5800 front derailleur 2x11-speed
  • 105 RD-5800-SS rear derailleur 2x11-speed - short
  • 105 CS-5800 cassette 11-speed - 11-28 teeth
  • 105 CN-HG601 chain 11-speed
  • Ultegra SM-BBR60 bottom bracket cups

Incl. brake and shift cable housings (black) and chain connecting pin.
Hubs and pedals are not included. These can be ordered separately.


Shimano 105 ST-5800 STI

The shift levers have a compact grip which provides more comfort and control during a ride. The lever can be customized for different hand sizes with a 10 mm screw type reach adjust.

Shimano 105 BR-5800 brake caliper

Compared to the previous 105 groupset, the 5700 series, Shimano made the brake system more efficient and increased brake power with 10 %. This is mainly due to the new symmetrical dual-pivot brake caliper. The brakes are compatible up to 28c tires.

Shimano 105 FC-5800 crankset

The iconic 4-arm crank trickled down from Dura-Ace to the new 105 and gives the best power transfer and balance between stiffness and lightweight. It also has one bolt circle diameter for compact and traditional double chainsets which means one crankarm fits all chainring size.

Shimano 105 FD-5800 front derailleur

The front derailleur has a longer link arm combined with a new spring mechanism. The new support bolt for the braze-on front derailleur provides a stable support for the derailleur and thus for reliable and precise shifting.

Shimano 105 RD-5800-SS rear derailleur

The 5800 rear derailleur features also a new spring mechanism and cable pitch, which provides robust adjustability.

Please note: The short rear derailleur is not compatible to the 11-32 cassette.

Shimano 105 CS-5800 cassette

The 11-speed cassette provides small gear steps that optimize rhythm and cadence control. In contrast to the Ultegra the spider is completely made of aluminum.

Shimano 105 CN-HG601 chain

The Shimano chain for 11-speed is treated with Shimano's SIL-TEC coating to run smoother and wear longer in all conditions.


Shimano Ultegra SM-BBR60 bottom bracket cups

Bottom bracket cups for Shimano Hollowtech II cranksets. 14 grams lighter weight and half the friction of its predecessor SM-BB6700.


For further information on single components, please look for the respective component or contact our service team.


Manufacturer's item codes:

  • STI: KST5800LIALL + KST5800RIALL
  • brake caliper: KBR5800AF82CL + KBR5800AR82AL
  • crankset: KFC5800DX04L | KFC5800DX39L
  • front derailleur: KFD5800FL
  • rear derailleur: KRD5800SSL
  • cassette: KCS580011128
  • chain: KCNHG60111118E
  • bottom bracket: KSMBBR60B
  • brake cable housings: KBCBTYPFLA | KBCBTYPRLA
  • shift cable housings: KOT41SP30LSB | KOT41SP60LSB
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Fact Sheet of Shimano 105 5800 Groupset 2x11-speed - Special Offer

Product Name: Shimano 105 5800 Groupset 2x11-speed - Special Offer
Manufacturer: Shimano Parts
Item Code: SHI375452
Manufacturer item code: see description
Material: aluminum
Derailleur: 2x11-speed
Included in delivery: see description
Crank length (mm): 172.5
Chainwheel, number of teeth: 50-34 | 53-39
Front Derailleur Braze/Clamp: braze
Derailleur max. number of teeth: 53 teeth
Bracket BSA/ITA: BSA (1.37 x 24)
Bracket, profile of axle: Hollowtech II (integrated axle, 24 mm)
Derailleur short/long: short
Derailleur, max. number of teeth: 28 teeth
Capacity of derailleur: 33 teeth
Nuance of sprocket / Gearing: 11-12-13-14-15-17-19-21-23-25-28
Material of sprocket: steel
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Item includes
Still 10+ in stock in stock, delivery time 1-3 days Shimano Chain Connecting Pin 11-speed
Selection: Shimano 105 5800 Groupset 2x11-speed - Special Offer
Still 10+ in stock in stock, delivery time 1-3 days Chainring Ratio 50/34 Teeth
Still 8 in stock in stock, delivery time 1-3 days Chainring Ratio 53/39 Teeth
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