Shimano Ultegra R8000 GS 11 Speed Rear Derailleur 5058-410
Press to open modal with high resolution version of current image

Shimano Ultegra R8000 GS 11 Speed Rear Derailleur

  • Available prices $129.95
Free shipping for this item
Free in-store pickup

Rocksolid Guarantee

Shop with confidence. If it's not working out like you expected, you can return it.

Really. If it's not up to snuff after you use it (a couple times) you can still bring it back.

It lasts longer than 30 days, but not forever. We'll be fair about it. We're all members here.

Price match guarantee

Find a lower price within 30 days? We’ll match it.

If you see a lower price for this exact item advertised online, in print or in a store, give us a call at 1 (888) 847-0770.

If it’s identical, brand-new, in stock, and sold and shipped by a Canadian-based retailer, we’ll match that price.


Show Description

A road-racing design that enjoys outings on gravel, this Ultegra rear derailleur ensures smooth shifting regardless of where you ride. The Shadow design helps keep the derailleur out of harm's way, should your bike take a tumble.

  • Lightweight aluminum pulley cage helps reduce weight without affecting performance.
  • Maximum sprocket capacity is 34T.
  • Minimum sprocket capacity is 11T.
  • Maximum front difference is 16T.
  • Total capacity is 39T.

Tech specs

Show Tech specs
Weight 210g
Ideal for
  • Sport road cycling
  • Performance and race road cycling
Type Rear

Braze-on mounting uses fittings permanently mounted to the frame. Collar mounted derailleurs secure around the seat tube with a clamp. Direct mount are fastened to the chainstay.

Cage length Medium
Compatibility 11-speed
Maximum capacity

The maximum number of teeth difference between the smallest and largest chainrings (front derailleur) or cogs (rear derailleur).

Maximum sprocket 34T
Minimum sprocket 11T

One-way friction clutch that increases chain tension, reduces chain and cage movement, and reduces dropped chains. Releases for wheel removal.

Made in Japan