OneUp Components Introduces The RAD Cage

by Brian Mullin on June 23, 2014

OneUp
Components is launching a replacement part for the outer cage of the
Shimano GS clutch rear derailleurs, which will increase performance with
their 11-42 and 11-40 10-speed cassette systems. The RAD cage will
dramatically improve shifting performance, chain wrap and extend
cassette life when used with their extended cassette setup.

The
gist of their extended system is that you can upgrade your 10-speed
cassette to an awesome 11-42 or 11-40 wide-range cassette with the OneUp
Components 42T/40T sprockets. It’s a low-cost alternative, that’s easy
to install on a 11-36 cassette, and only requires swapping out two cogs
from the main cluster (remove the 15T and 17T and add their 42T or 40T
and 16T).

I really like their 11-42/11-40 extended system, but it’s not as crisp as the pure 1×11 SRAM system (albeit quite a bit cheaper), so I am hoping this small addition will help with the shifting performance.

Here was my initial review on the system: Just In – OneUp Components 42T Sprocket

Press Release

At
OneUp Components we’re committed to developing the best possible 1×10
drivetrain solutions at a cost that everyone can afford. We want to Work
Less and Ride More. That’s not just some throw away tagline, it’s
something we strongly believe in.
After launching the original 42T
adapter sprocket and the only application specific 16T, the OneUp RAD
Cage is the next step in achieving flawless wide range 1×10 accessible
to everyone.

The RAD cage is a replacement outer cage for Shimano
GS (medium cage) clutch rear derailleurs, that dramatically improves
shifting performance of any extended range Shimano 10x drivetrain.
Combined with our 40/42T and 16T adapter sprockets it is the complete,
no compromise Shimano 1X10 solution.

At OneUp Components we’re
committed to developing the best possible 1×10 drivetrain solutions at a
cost that everyone can afford. We want to Work Less and Ride More.
That’s not just some throw away tagline, it’s something we strongly
believe in.

After launching the original 42T adapter sprocket and
the only application specific 16T, the OneUp RAD Cage is the next step
in achieving flawless wide range 1×10 accessible to everyone.

The
RAD cage is a replacement outer cage for Shimano GS (medium cage)
clutch rear derailleurs, that dramatically improves shifting performance
of any extended range Shimano 10x drivetrain. Combined with our 40/42T
and 16T adapter sprockets it is the complete, no compromise Shimano 1X10
solution.

RAD Benefits

  • Dramatically improves shifting performance for Shimano derailleurs*
  • Tuning your derailleur to achieve perfect shifting with an 11-42 is now much easier
  • Requires stock B-Screw length and adjustment (No more removing washers or reversing B-Screws)
  • Improves chain wrap and extends cassette life
  • Installs in under 15 minutes – checkout the install video for full details

*Compatible with all Shimano GS (medium cage) Shadow+ clutch rear derailleurs

Typically
stock Shimano derailleurs don’t perform as well as Sram offerings when
paired with wide range 11-42 cassettes. This is due to derailleur
architecture. The extra B-screw needed to clear the 42T means the upper
pulley is further from the cogs in the lower end of the cassette.
Shifting therefore can be slower and less responsive here.

RAD Design

The
key feature of the OneUp RAD (Radial Appositioned Derailleur) cage is
that the upper pulley wheel has been moved rearward of the cage pivot to
optimize the derailleur for larger sprockets. As the derailleur moves
into larger sprockets the top pulley wheel automatically moves away to
adjust the chain gap, no longer relying on just B-Screw.

The
B-Screw tension needed for an 11-40 or 11-42 cassette with RAD Cage is
about the same as is required when using a stock Shimano derailleur and
11-36.

Additionally the top pulley now sits above the cage pivot
closer to the cassette, when in the lower end of the cassette
(11T,13T,16T) resulting in much crisper shifting and more chain wrap.

Specifications

Price: $35 – Includes taxes and duties in the US and EU. Shipping is free worldwide for all orders of $70 or more.
Material: 7075-T6 Aluminum
Weight: 26g
Color: Black
Compatibility: Shimano GS (medium cage) Shadow+ 10spd clutch rear derailleurs

  • Deore (RD-M615 GS)
  • SLX (RD-M675 GS)
  • XT (RD-M786 GS)
  • XTR (RD-M985/RD-M986 GS)

{ 0 comments… add one now }

Leave a Comment

Previous post:

Next post: