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RoomRacer · Sim racing rigs designed in our garage · United States

  1. Parts
  2. Wheel bases
  3. R21 Ultra

Moza · wheel base

Moza R21 Ultra (21 Nm)

21 Nm sustained direct-drive base with a 21-bit encoder for $699, PC-only per Moza

Moza's high-torque base, rated at 21 Nm and built for rigid aluminum cockpits. At around $700 it brings the torque of premium servo bases to a much lower price, but it's far more than a first rig needs.

AI rating

83

Excellent for a wheel base at this price. Best for: PC enthusiasts building a dream-tier rig on a sensible budget.

Force feedback detail
9
Strength
10
Smoothness
9
Ecosystem
7
Quietness
8
Value
8

Who it suits

First rig
3
Console racing
2
Competitive racing
9
Small rooms
4
Tight budgets
6
Enthusiasts
9

Scores are AI analysis of public information (specs, manuals, published reviews and owner reports), not a hands-on test. How we rate

Pros and cons

  • 21 Nm gives headroom no first-rig game needs, with fine detail at lower settings
  • Priced well below other 20 Nm+ bases
  • Same Moza quick release, rims and software as the cheaper bases
  • Needs an aluminum-profile cockpit with front or bottom hard-mounting
  • This much torque can hurt wrists and thumbs if strength is set carelessly
  • No PlayStation; Xbox only with the ESX rim

Watch out: Not for desks or wheel stands: it needs a rigid profile cockpit rated for 20+ Nm. Start at low strength.

What it feels like

Strength
Detail
Smoothness
Noise
Heat

Strong enough to be heavy in fast corners and loaded curbs.

Passively cooled, so there is no fan whine.

Expect some Pit House tuning to calm spikes in some sims.

Like wrestling a firm, powered steering wheel on a heavy car at speed.

What the R21 Ultra works with

  • Works on Xbox Series and PC. On Xbox it needs an Xbox-licensed wheel.
  • Sold as a base only: you also need a wheel and pedals.
  • Wheels attach with the Moza quick release.
  • Pedals plug into the base, which is what lets them work on console.

Wheels that fit the Moza R21 Ultra (21 Nm)

Platforms show where each pairing works.

PartWorks onNoteScore
Moza GS V2P Steering WheelNot Xbox-licensedPS5XboxPCNot Xbox-licensed79
Moza KS Steering WheelNot Xbox-licensedPS5XboxPCNot Xbox-licensed77
Moza CS V2P Steering WheelNot Xbox-licensedPS5XboxPCNot Xbox-licensed72
Moza ESX Steering Wheel (Xbox-licensed)PS5XboxPC70

Pedals that plug into it

These connect through the base's pedal port, so they work on every platform the base supports.

PartWorks onNoteScore
Moza CRP2 Load Cell Pedals (Throttle + Brake)Plugs into the basePS5XboxPCPlugs into the base82

USB pedals that work with it on PC

These run beside the base over USB. They don't work on console.

  • Heusinkveld Ultimate+ (3-pedal) · USB to the PC88
  • Asetek Invicta Pedals (2-pedal, hydraulic) · USB to the PC84
  • Heusinkveld Sprint (3-pedal) · USB to the PC84
  • Simagic P1000 (3-pedal) · USB to the PC80
  • Logitech G PRO Racing Pedals · USB to the PC80
  • Fanatec ClubSport Pedals V3 · USB to the PC79
  • Asetek Forte Pedals (2-pedal) · USB to the PC79
  • Thrustmaster T-LCM Pedals · USB to the PC77
  • Fanatec CSL Pedals with Load Cell Kit · USB to the PC76
  • Logitech G RS Pedals · USB to the PC76
  • Asetek La Prima Pedals (2-pedal) · USB to the PC74
  • Fanatec CSL Pedals · USB to the PC60

Shifters and handbrakes

Plugged into the base where noted; the rest connect to a PC by USB.

PartWorks onNoteScore
Heusinkveld Sim Shifter SequentialUSB to the PCPS5XboxPCUSB to the PC83
Simagic DS-8X ShifterUSB to the PCPS5XboxPCUSB to the PC80
Fanatec ClubSport Shifter SQ V1.5USB to the PCPS5XboxPCUSB to the PC78
Thrustmaster TH8A ShifterUSB to the PCPS5XboxPCUSB to the PC76
Moza SGP Sequential ShifterUSB to the PCPS5XboxPCUSB to the PC74
Moza HGP H-Pattern ShifterUSB to the PCPS5XboxPCUSB to the PC71
Thrustmaster TH8S Shifter Add-OnUSB to the PCPS5XboxPCUSB to the PC63
Heusinkveld Sim HandbrakeUSB to the PCPS5XboxPCUSB to the PC82
Simagic TB-1 HandbrakeUSB to the PCPS5XboxPCUSB to the PC76
Fanatec ClubSport Handbrake V2USB to the PCPS5XboxPCUSB to the PC72
Moza HBP HandbrakeUSB to the PCPS5XboxPCUSB to the PC72
Thrustmaster TSS Handbrake Sparco Mod+USB to the PCPS5XboxPCUSB to the PC72

Cockpits and stands

With 21 Nm of torque, a frame rated below that flexes and one rated far below it shakes.

PartDetailVerdict
Sim-Lab GT1 Evo Sim Racing Cockpit (frame only)Rated about 25 Nm Fits
Sim-Lab P1X Pro Sim Racing Cockpit (frame only)Rated about 32 Nm Fits
Trak Racer TR80 Lite Aluminum Cockpit (frame only)Rated about 25 Nm Fits
Next Level Racing F-GT Elite Aluminum Cockpit (frame only)Rated about 30 Nm Fits
Next Level Racing GTElite Aluminum Cockpit (frame only)Rated about 25 Nm Fits
Trak Racer TR8 Pro Racing Simulator (frame only)Rated about 15 Nm Some flex
Playseat TrophyRated about 12 Nm Too strong
Fanatec CSL Cockpit V1.5 (frame only)Rated about 12 Nm Too strong
Playseat Challenge X - Logitech G EditionRated about 8 Nm Too strong
Next Level Racing GTLite Pro Foldable CockpitRated about 10 Nm Too strong
Next Level Racing Wheel Stand 2.0Rated about 8 Nm Too strong
Next Level Racing Wheel Stand DDRated about 12 Nm Too strong
GT Omega APEX Wheel StandRated about 8 Nm Too strong
Next Level Racing GTtrack CockpitRated about 12 Nm Too strong
GT Omega ART Racing Cockpit (with RS6 seat)Rated about 10 Nm Too strong
Playseat Evolution PRO - ActiFitRated about 8 Nm Too strong
Next Level Racing Wheel Stand LiteRated about 5 Nm Too strong
Next Level Racing GTLite Foldable CockpitRated about 6 Nm Too strong
Next Level Racing F-GT Lite Foldable CockpitRated about 6 Nm Too strong

Tech facts

Drive typeDirect
Torque21 Nm
Wheel includedNo
Pedals includedNo
MountingBolts to a rig
Power draw360 W
Power supplyExternal adapter, 110–220V AC in, 36V DC out
Wall plugStandard US 2-prong/3-prong adapter (110–220V input)
Outlets needed1
ConnectionUSB to PC; ports for pedals, dashboard, shifter, handbrake, e-stop
Force feedback rate1,000 Hz
Encoder21-bit
SoftwareMoza Pit House
Quick releaseMoza quick release
Size (W × D × H)7 × 11 × 7 in (18 × 29 × 18 cm)
Weight20 lb (9 kg)
MaterialsAluminum
PlatformsPS5XboxPC

Our take

AI analysis of public information, not a hands-on review.

The R21 Ultra is Moza's budget-priced way into serious torque: 21 Nm sustained from a zero-cogging flat-wire motor, a 21-bit magnetic encoder, 1000 Hz USB updates and an iRacing 360 Hz mode. At $699 it undercuts rivals such as the Simagic Alpha Evo Pro and Fanatec DD1. Passive cooling means no fan noise, and one review reported no overheating. That same review also noted oscillations in Assetto Corsa and spiky iRacing force feedback early on, so expect some tuning in Pit House. For a first rig, this is a lot of force, so a stiff cockpit matters: 21 Nm will flex a wobbly desk mount or light aluminum profile. The base ships without a rim or pedals, so budget for a Moza wheel and pedals. It has ports for pedals, dashboard, shifter, handbrake and an e-stop. Moza's own spec and support pages list PC only, and we found no Xbox support for this base. Many first-time buyers would be well served by a lower-torque base, but this one leaves room to grow.

Questions buyers ask

Does the R21 Ultra work on Xbox or PlayStation?

Moza's official spec and support pages list PC only. Moza does not support PlayStation. We could not confirm Xbox support for this base, so check with Moza before buying for console.

Does it include a steering wheel or pedals?

No. The box has the base, power adapter, data cable, bolt kit and manual. You need a Moza rim, and Moza pedals can plug into the base.

Do I need a special power setup?

It uses an external adapter rated for 110–220 V AC input and 36 V DC output, with 360 W rated power. It runs from a normal US wall outlet, and one outlet is enough.

Moza R21 Ultra (21 Nm)
83
ExcellentAI score out of 100

$699Typical US street price, October 2026. Our estimate, not a live quote.

Check price at Amazon ↗Check price at Moza ↗

Affiliate links: we may earn a commission at no cost to you. As an Amazon Associate we earn from qualifying purchases.

Specs not yet checked by hand. Confirm on the brand's page before you buy.

Pairs well with

  • Moza GS V2P Steering Wheel79
  • Moza CRP2 Load Cell Pedals (Throttle + Brake)82

On this page

  1. AI rating
  2. Pros and cons
  3. What it feels like
  4. Works with
  5. Tech facts
  6. Our take
  7. Questions