BST Wheel and Tire Package for Non-ABS Honda Grom (14-20) and Monkey (19-21)

Product image 1BST Grom MSX125 Carbon Wheel and Tire Package -
Product image 2BST Grom MSX125 Carbon Wheel and Tire Package -

Regular price $2,295.00


Weighing between 40 and 60 percent less than OEM wheels, BST wheels bestow sportbikes with sharper corner-carving abilities, faster acceleration, and quicker braking by weighing less than their production-bike counterparts. Lighter wheels are also easier for suspension systems to control over bumps and irregular surfaces, yielding more traction and unimpeded acceleration. Less rotating mass also equals less rider fatigue.

A lighter rear wheel is easier for the shock to control properly, which leads to superior power application and much higher trap speeds in competition and track days.


Using high-tech processes pioneered in the aerospace industry, BST wheels are manufactured in a single molding operation. This technique produces a wheel that is far superior in strength and much lighter than any aluminum or magnesium wheel, and one that is light and strong enough for racing and street use.

BST wheels are a unique monococque (single unit) design with hollow spokes. The end result is wheels with unsprung weight reduced 40-60 percent compared to stock wheels. This delivers the lowest possible moment of inertia, a critical factor that affects all aspects of motorcycle performance.

Maximizing the molecular and structural properties of carbon fiber, BST has reduced spoke and rim weight without compromising their strength. Mass is therefore concentrated in the hub, reducing rotational inertia. This results in quicker acceleration and braking, allowing faster corner entry and exit speeds.


Package Contents Include:

BST Wheel Info:

  • SIZE : Front - 2.75" x 12" / Rear - 3.5" x 12"
  • WEIGHT : Front - 3.6 lb. (1.63 kg) / Rear - 4.05 lb. (1.83 kg)
    Add 0.35 lb. (0.158 kg) with Worldwide Bearings ceramic bearings
    Add 0.45 lb. (0.204 kg) with Worldwide Bearings steel bearings
    OEM Wheel Weights: Front - 5.8 lb. / Rear - 6.9 lb.
  • STATIC LOAD RATING : Front: 198 lb. (90 kg) / Rear: 198 lb. (90 kg)
    Click Here: Important Load Rating Safety Information
  • MATERIALS : Carbon fiber and aluminum
  • STYLE : Straight, three-spoke configuration
  • VALVE STEMS : BST Ultra-High-Speed (UHS) 90-degree, aluminum stems and caps
  • APPROVALS : DOT E and JWL for street and track use
  • FITMENT : Direct OEM replacement - Not compatible with ABS (uses OEM sprocket, sprocket carrier, cush-drive rubbers and brake discs)
  • WARRANTY : 2 Years


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