MOZA R21 vs Simagic Alpha Wheel Base

The Alpha Wheel Base costs $50 less than the R21.

MOZAR21
MOZA R21
Image: MOZA
$699checked 2026-09-13
SimagicAlpha Wheel Base
Simagic Alpha Wheel Base
Image: Simagic
$649checked 2026-09-13

What separates them

1Differ
1One side only
0Identical
8Neither publishes
  • Price$699vs$649

    The Alpha Wheel Base costs $50 less than the R21.

Specs side by side

MOZA R21Simagic Alpha Wheel Base
Where they differ
Price$699$649
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

Nothing in the published specs favours it over the Alpha Wheel Base.

Cons

  • Costs $50 more than the Alpha Wheel Base.

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 Wheel Base: pros, cons, and who it suits

Pros

  • Costs $50 less than the R21.

Cons

Nothing in the published specs counts against it here.

Who it suits

Sits in the $600 to $1,000 band at $649.

Which should you choose?

On budget alone, the Alpha Wheel Base is the cheaper of the two at $649, against $699 for the R21.

Where to buy

vs
Simagic

Alpha Wheel Base

$649

Check price at Simagic

Full R21 specs · Full Alpha Wheel Base specs

Sources

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