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Frequency Fitness RX125 Indoor Bike

MSRP: $1,699.00

For the guaranteed lowest price, call Fitness Gallery at 303-399-1000

The Frequency Fitness RX125 Indoor Bike is a rear-driven magnetic exercise bike designed from commercial-grade components.  With a unique slide adjust system, the RX125 Indoor Bike allows users to make micro adjustments to resistance.  If you’re searching for a durable stationary bike that will serve you for the long haul, the RX125 is a great option.

  • Micro Increment Adjusting Resistance System
  • 16 Level Magnetic Resistance
  • Grooved Poly V-Belt Drive for a silky smooth ride
  • Micro Adjusting Slide System Seat and Handlebars – Height, Fore and Aft
  • Rugged High-Tension Square Steel Construction
  • CNC Machined Sealed Steel Bearings
  • Oversized Drop Forged Crank and 33 lb. Flywheel
  • Easy Transport Wheels and includes floor levelers
  • Low Maintenance and Easy Assembly
  • Lifetime Warranty on frame; 2 years parts


The Frequency Fitness RX125 Indoor Bike employs a rear-drive system and delivers a custom fit through micro adjusting seat and handlebars.  Highly successful, Frequency Fitness updated their entire exercise bike line, and the RX125 is now in it’s 3rd generation.  Built with premium components throughout, the RX125 Indoor Bike is specifically designed for rugged durability.  You may also be interested in the newly designed RX150 Indoor Bike with additional built-in programs.


RX125 Indoor Bike Features:

  • Durable grooved V-Belt direct drive
  • Magnetic resistance system
  • 16 levels adjustment by new design knob with emergency stop
  • Square steel construction on Handle bar set, stem & Seat post set
  • High performance slide system on seat and handlebar.  Easy micro-adjustments to the height, forward, and backward positions
  • Sealed bearing system
  • Oversized forged crank system
  • 15kgs magnetic flywheel
  • Fixed wheel drive system
  • PU Moving for Transport
  • Floor levelers – easy adjustment foot pads for uneven floor surfaces
  • Low maintenance & easy assembly

Download RX125 V3 Indoor Bike Owners Manual >

RX125 Indoor Bike Warranty:

  • Home Use:
    • Lifetime frame
    • 2 years parts
    • 90 days wear tear items / electronics

Additional information

Technical Specifications

Belt transmission. Magnetic resistance. Durable grooved V-Belt direct drive system for a smooth & quiet ride.

Tension Control – Multi-control different lightness & heaviness by magnetic.

Square steel construction on Handle bar set, stem & Seat post set.

“Micro” adjustable slide system on seat and handlebar (Height & Forwards / Backwards positions adjustment).

Ultra strong BB and flywheel axles. Sealed bearings.

Crank : oversize forged, durable.

SPD pedals – optional.

Fixed wheel drive system.

Emergency stop by pressing down on knob, simply and safety.

Transport – PU wheel in front foot tube for easy moving.

Floor levelers – easy adjustment, the foot pad which under the foot tube for uneven floor surface.

Low maintenance & easy assembly.

Home Warranty

Lifetime Warranty on frame; 2 year warranty on parts; and 90 days on wear and tear items / electronics

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