Shimano 105 11 Speed Rear Derailleur 5800-GS-Black

Low Stock
Reid Price $79.99



The 11-speed Shimano 105 5800-GS rear derailleur is super solid and rigid for fast and accurate changes across the cassette. It features Advanced Wide Link design that increases rigidity and shifting performance.


 - Large 11 tooth pulleys increase service life and reduce noise
 - Super light shift action
 - Compatible with: 10-speed drivetrains
 - Maximum Sprocket 32T/14T (Front triple) 32T/12T (Front double)
 - Minimum Sprocket 25T/11T (Front triple) 27T/11T (Front double)
 - Maximum Front Difference 22T(Front triple) / 16T (Front double)
 - Total Capacity 40T(Front triple) / 37T (Front double)

Make your bike even more superb!



Brand Shimano
Colour Black
Size Onesize
Discipline Road & Race

We continually work to improve our products so designs and specifications are subject to change. Please contact us to confirm if you have any questions.


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Reid Cycles ships bikes, parts and accessories anywhere in Australia!


Dispatch: 1 to 2 working days (In stock items)

Free shipping: Metropolitan and some regional areas (over $75)

  • All accessories & helmets (when purchased in the same cart as the bike)

Overseas shipping: call customer service for local distributors

Bundled & Combined shipping benefits available

Bike Assembly:

  • Bikes are shipped boxed, and 85% assembled.

  • The final assembly requires:

  • The installation of the handlebars, front wheel, pedals and saddle.

  • Adjusting the brakes and tuning the gears.

We recommend that the assembly is done by a qualified bike mechanic or other suitably qualified person.

  • Damage caused by incorrect assembly (such as installing the pedals the wrong way around) is not covered by your warranty.

  • Delivery times vary depending on couriers workload & seasonality.

  • Address must always have someone in attendance. Arrange ‘authority to leave‘ or ‘redelivery‘ directly with the courier company at your own discretion.

Please contact us if you have any questions.


FREE In Store Collection: Fully assembled & personally adjusted by an experienced Reid Cycles mechanic available with Click and Collect


For full warranty terms, please visit our Warranty Policy page

For any warranty issues,

In store sales:  contact the store

Online sales: contact the customer service team.

Customer support:

Phone numbers and email addresses on our Contact Us page.