MOZA R21 vs Simagic Alpha Ultimate Wheel Base

The R21 costs $200 less than the Alpha Ultimate Wheel Base.

MOZAR21
MOZA R21
Image: MOZA
$699checked 2026-09-13
SimagicAlpha Ultimate Wheel Base
Simagic Alpha Ultimate Wheel Base
Image: Simagic
$899checked 2026-09-13

What separates them

1Differ
1One side only
0Identical
8Neither publishes
  • Price$699vs$899

    The R21 costs $200 less than the Alpha Ultimate Wheel Base.

Specs side by side

MOZA R21Simagic Alpha Ultimate Wheel Base
Where they differ
Price$699$899
Published by one side
Torque21 NmNot published
Not published by eitherdrive system · quick release · mounting · rim in the box · pedals in the box · input voltage · weight · platforms

MOZA R21: pros, cons, and who it suits

Pros

  • Costs $200 less than the Alpha Ultimate Wheel Base.

Cons

Nothing in the published specs counts against it here.

Who it suits

At 21 Nm this sits in the upper band, between 12 and 21 Nm. Makers of bases in this band publish rig-mounting patterns rather than desk clamps.

Simagic Alpha Ultimate Wheel Base: pros, cons, and who it suits

Pros

Nothing in the published specs favours it over the R21.

Cons

  • Costs $200 more than the R21.

Who it suits

Sits in the $600 to $1,000 band at $899.

Which should you choose?

On budget alone, the R21 is the cheaper of the two at $699, against $899 for the Alpha Ultimate Wheel Base.

Where to buy

vs
Simagic

Alpha Ultimate Wheel Base

$899

Check price at Simagic

Full R21 specs · Full Alpha Ultimate Wheel Base specs

Sources

Every spec on this page was read from the manufacturer's own published documentation.