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Improve the riding experience

Promax

Known for practical, performance-focused bicycle parts, Promax Components offers a wide range of brakes, stems, handlebars, seatposts and more designed to improve ride quality across BMX, mountain, road, and city bikes. Their products are developed and tested with rider feedback and quality manufacturing to make bikes better machines.


  • Promax RMV Rim - 20" 36H Tubeless Ready Black

    Promax
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    $54.99
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  • Promax Post Mount Disc Brake Adapter - For IS Mount Frame/Fork Fits 180mm Front 160mm Rear Rotors

    Promax
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    Warehouse Only
    $8.99
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  • Promax Sceer 6 Handlebar

    Promax
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    Warehouse Only
    $34.99
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  • Promax IG-45 Sealed Integrated Headset

    Promax
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    Warehouse Only
    $39.99
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  • Promax MX-112C Seatpost Clamp - Bolt-On, Black

    Promax
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    Warehouse Only
    $8.99
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  • Promax Flat Mount Disc Brake Adapter - For Flat Mount Fork Fits 140mm 160mm Front Rotors

    Promax
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    Warehouse Only
    $8.99
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  • Promax EX-1 Alloy external Sealed Bottom Bracket 68/73mm Black

    Promax
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    Warehouse Only
    $54.99
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  • Promax DP-1 Dropper Seatpost Clamp - 34.9mm Bolt-On Black

    Promax
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    Warehouse Only
    $14.99
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  • Promax F1 DSK-927 Disc Brake Caliper - Front Rear Hydraulic Flat Mount BLK

    Promax
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    Warehouse Only
    $39.99
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  • Promax Solve DSK-923 Brake Lever - Left Hydraulic Black

    Promax
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    Warehouse Only
    $29.99
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  • Promax P-1 Linear Pull Brake

    Promax
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    Warehouse Only
    From $30.99
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  • Promax 4-Bolt Chainring

    Promax
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    Warehouse Only
    $29.99
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  • Promax HF-2 Crankset - 24mm Spindle, 2-Piece

    Promax
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    Warehouse Only
    $259.99
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  • Promax Banger BMX Stem - 48mm Front Load Gold

    Promax
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    Warehouse Only
    $49.99
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  • Promax Impact Mini BMX Stem - Top Load

    Promax
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    Warehouse Only
    From $49.99
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  • Promax Solve DSK-923 Disc Brake Caliper - Front Rear Use 2-Piston Hydraulic Post Mount BLK

    Promax
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    Warehouse Only
    $29.99
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  • Promax Gryf 6 Handlebar

    Promax
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    Warehouse Only
    $34.99
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  • Promax Solve DSK-923 Brake Lever - Right Hydraulic Black

    Promax
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    Warehouse Only
    $29.99
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  • Promax Gryf MTB Stem

    Promax
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    Warehouse Only
    $44.99
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  • Promax Flat Mount Disc Brake Adapter - For Flat Mount Frame Fits 160mm Rear Rotors

    Promax
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    Warehouse Only
    $8.99
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  • Promax Direct Mount Chainring - Black

    Promax
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    Warehouse Only
    $59.99
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Improve the riding experience

Promax

Shop Promax Components at Bike Mart

Promax designs dependable bicycle components, accessories, and finishing parts ideal for road, mountain, hybrid, and commuter bikes. At Bike Mart, we carry Promax stems, handlebars, seatposts, brakes, and more — backed by expert installation, support, and service.

Handlebars & Stems

Upgrade cockpit performance, fit, and comfort with Promax bars and stems built for durability and precise control.

  • Promax Handlebars – Wide range of bars including flat, riser, and ergonomic options for road, gravel, and mountain setups.
  • Promax Stems – Durable stems in multiple lengths and rise options to dial in fit and handling.
  • Comfort & Trail Bars – Options designed to improve rider comfort, posture, and control across surfaces.

Seatposts & Saddles

Enhance ride comfort and fit with lightweight seatposts and adjustable positions.

  • Promax Seatposts – Reliable aluminium seatposts with classic and setback designs for customizable fit.
  • Adjustable & Suspension Posts – Options engineered to add compliance and comfort on rougher terrain.
  • Promax Saddles – Comfortable, performance-oriented saddle options built for daily riding and longer adventures.

Brake Systems & Components

Reliable stopping performance and upgrade parts designed for confident control.

  • Promax Rim Brakes – Classic mechanical brake solutions for road and hybrid bikes seeking smooth modulation.
  • Disc Brake Calipers – Mechanical disc brake options for everyday riders and cross-surface use.
  • Brake Levers & Hardware – Components designed for ergonomic feel and dependable performance.

Cranks & Drivetrain Parts

Durable drivetrain components built for consistent performance and easy maintenance.

  • Cranksets – Sturdy crank options for commuters, road, and mountain bikes.
  • Chainrings & Bottom Brackets – Replacement and upgrade parts designed for smooth pedaling and long service life.
  • Pedals & Accessories – Practical pedals, straps, and foot solutions for everyday rides.

Accessories & Finishing Parts

Small parts that make a big difference in comfort, control, and bike fit.

  • Grips & Bar Tape – Comfort-enhancing grips and tape options to match riding style and terrain.
  • Headsets & Spacers – Precision parts to refine steering, fit, and cockpit height.
  • Cable & Housing – Service-friendly replacement parts to keep shifting and brakes working smoothly.

Why Buy Your Promax Components From Bike Mart?

Bike Mart has served Texas riders for over 60 years, offering premium service and support on every Promax product we sell:

  • Certified mechanics trained on Promax components and bike fit systems
  • Professional installation for stems, handlebars, brakes, and drivetrain upgrades
  • Free post-install adjustment check to ensure proper alignment and performance
  • In-store pickup, quick transfers between locations, and convenient home delivery
  • Access to the latest Promax products and accessory upgrades

Find Your Promax Components Today

Whether you’re upgrading fit, refreshing brakes, adding comfort parts, or building a custom bike, Promax components deliver reliable performance. Browse Promax products online or visit any Bike Mart location for expert help and installation.