Understanding Car Wheel Hubs: Size, Width, PCD, Offset, and Center Hole

JamesFeb 23, 2024, 09:25 PM

The wheel hub is a crucial part of your car, connecting the wheel to the vehicle. Here's a breakdown of key hub measurements to consider:


Size (Diameter)

Often referred to as "hub size" (e.g., 15-inch hub).

Larger diameters on sedans can enhance visual appeal and improve handling, but may increase fuel consumption.


Width (J Value)

This value determines compatible tire choices.

Different J values for the same size tire will affect recommended tire width and aspect ratio.


PCD (Pitch Circle Diameter) & Holes

PCD refers to the diameter of a circle created by the center points of the wheel hub's bolt holes.

PCD is crucial for safety and should match your car's original PCD for proper fitment.

Common PCD notations include "4X103" (4 bolts, 103mm diameter) and "5X114.3" (5 bolts, 114.3mm diameter).


Offset (ET)

This is the distance between the hub mounting surface and its centerline.

A positive ET value indicates the hub surface sits closer inwards, while a negative value means it protrudes outwards.

Most passenger cars have positive ET values.


Center Hole

This hole in the hub center connects to the vehicle's axle.

Its diameter is crucial for proper wheel alignment.

While adapters can modify hole size, such modifications are risky and should be approached with caution.


Remember: Upgrading or modifying wheel hubs requires careful consideration of these measurements to ensure safety and proper vehicle performance.

# Car pedia

If any infringement occurs, please contact us for deletion

Follow Us

Facebook

Trending News
Citi Bank Analyst: Xiaomi loses $10,000 for every SU7 it sells?!

Citi Bank Analyst: Xiaomi loses $10,000 for every SU7 it sells?!

Xiaomi CEO Lei Jun unveiled the Xiaomi SU7 electric car priced at ¥215,900-¥299,900. Resembling a Porsche but more affordable, it garnered 88,898 orders in 24 hours. Initial losses are expected, with analysts predicting significant deficits, possibly reaching ¥4.1 billion for 60,000 units.

Kevin WongApr 11, 2024
Bangkok Auto Show: DEEPAL S07 L priced at 1,499,000 Thai Baht, with a range of 560km

Bangkok Auto Show: DEEPAL S07 L priced at 1,499,000 Thai Baht, with a range of 560km

At the 45th Bangkok International Motor Show, Changan's DEEPAL brand unveiled the DEEPAL S07 L model with extended range, priced at 1,499,000 Baht, offering exclusive purchase benefits. Its futuristic design, including enclosed front face and distinctive ventilation, targets younger consumers despite its relatively higher price.

Kevin WongMar 25, 2024
2024 Bangkok Motor Show: Can new models from Triumph and Kawasaki challenge Honda and Yamaha?

2024 Bangkok Motor Show: Can new models from Triumph and Kawasaki challenge Honda and Yamaha?

2024 Bangkok Motor Show: Triumph and Kawasaki debut new models, poised to challenge Honda and Yamaha. The 45th edition, from March 27 to April 7, showcases cars and motorcycles at Muang Thong Thani Impact Challenger. With 49 brands participating, Thailand's market is poised for revitalization.

AshleyMar 18, 2024
BYD SONG MAX, a Pure Electric Drive Family MPV, Debuts at the Bangkok Motor Show

BYD SONG MAX, a Pure Electric Drive Family MPV, Debuts at the Bangkok Motor Show

At the 45th Bangkok International Motor Show, BYD showcased the right-hand drive version of SONG MAX. This electric vehicle differs from its Chinese counterpart, featuring a refreshed design and fully electric propulsion, hinting at BYD's expansion plans in Thailand.

Kevin WongMar 26, 2024
VinFast will bring two models, Wild and VF7, to the 45th Bangkok International Motor Show in 2024

VinFast will bring two models, Wild and VF7, to the 45th Bangkok International Motor Show in 2024

VinFast, under Vingroup, is a Vietnamese car manufacturer shifting to all-electric vehicles, with plans to cease petrol car production by 2022. The VF Wild and VF7 will be brought to the 45th Bangkok International Motor Show.

AshleyMar 18, 2024
View More