BST Twin TEK 17x4.5 Rear Wheel Harley Davidson Touring 09-22
Availability: In stock
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Weighing between 40 and 60 percent less than OEM wheels, BST wheels bestow sport bikes 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.
BST WHEEL DIFFERENCE
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.
BST designs the tooling, molds, wheel and hubs, then manufactures them in its state-of-the-art factory. Precision cutting machines, like those used in the aeronautical industry, ensure that the process is repeatable and meets the highest certification standards. BST uses only the finest “prepreg” carbon fiber, which is embedded in a top-secret resin matrix epoxy. Carbon-fiber layup is done in a dust-free and temperature-controlled “clean room.” The wheels are cured in a superheated steam oven, or autoclave, at 260 degrees and 85 psi. This produces the best material compaction and smoothest surface finish. Every step of this process is logged, the entire history of each wheel is stored and stamped with a unique serial number. To ensure the highest quality manufacturing processes and components, BST’s entire operation is managed under strict, new ISO 9002 standards.
Established in 1992, BST is based near Johannesburg, South Africa. BST engineers and manufactures the world's finest carbon fiber motorcycle components from wheels and frames to fuel tanks and fenders, to the highest international standards. The standard equipment wheels on Confederate and Norton motorcycles, BST was also chosen to provide wheels and produce the carbon-fiber frame on the radical MotoCyz project. On the world stage, BST wheels have been proven at every level of FIM Grand Prix road racing competition and have won multiple national championships. BST has sold more than 50,000 carbon fiber wheels around the world.
- SIZE : 4.5" x 17"
WEIGHT : 11.45 lb. (5.19 kg)
Add .50 lb. (0.22 kg) with Worldwide Bearings ceramic bearings
Add .60 lb. (0.27 kg) with Worldwide Bearings steel bearings
- STATIC LOAD RATING : 900 lb. (410 kg)
- BRAKE ROTOR PCD : 5 x 3.25” (82.5mm)
- MATERIALS: Carbon fiber and aluminum
- STYLE: Straight, five-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
- WARRANTY: 2 Years
- For Harley-Davidson models equipped with factory ABS: When altering the diameter of the front wheel, the wheel speed sensor needs to be recalibrated to prevent loss of braking.
TPMS Note: Beginning in 2016, Harley-Davidson started including TPMS (Tire Pressure Monitoring System) on certain CVO models and beginning in 2020, Touring bikes equipped with the RDRS system have TPMS as well. BST wheels use a 7.5mm diameter air valve and would need to be drilled out to 11.3mm to accommodate the TPMS valve. If your application has TPMS, please call us to discuss your options. We do not recommend nor warrant, any modification to the BST wheels unless they are completed by factory trained personnel.
Brake Rotor Note: Before purchasing wheels for Harley-Davidson Touring models, due to variations in the OEM wheels equipped on each model, please verify the brake rotor mounting size. Models equipped with 7-bolt rotors (Agitator / Slicer / Chisel) will still be compatible with the purchase of aftermarket rotors. See Brake Rotor pitch circle diameter (PCD) on the description tab to see what rotor fits this wheel. For CVO models look over the engineered drawing to verify fitment.
Additional Model Fitment:
- Road Glide - FLTRX (15-23)
- Road Glide Special - FLTRXS (15-17)
- Road Glide Special - FLTRXS (20-23)
- Road Glide Ultra - FLTRU (16-23)
- Street Glide - FLHX (14-23)
- Street Glide Special - FLHXS (14-17)
- Street Glide Special - FLHXS (20-23)
- Road King w/ Cast Aluminum Wheels - FLHR (14-20)
- Road King Special - FLHRXS (20-22)
- Electra Glide Standard - FLHT (19-23)
- Electra Glide Ultra Classic - FLHTCU (14-19)
- Electra Glide Ultra Classic Low - FLHTCUL (15-16)
- Ultra Limited - FLHTK (14-20)
- Ultra Limited Low - FLHTKL (15-19)
*BST WHEELS ARE MADE TO ORDER AT THIS TIME*