Kinforest
KF550 255/40R21 102Y
4.5 (4)
$309.00
Description
The Kinforest KF550 is an ultra-high-performance tire in 255/40R21, built for sharp turn-in, strong braking, and high-speed stability. The XL (extra load) casing supports heavier vehicles and loads. Sized 255/40R21 with a 102 load index and Y (300 km/h) speed rating, treadwear-rated 320/A/A (UTQG).
In stock — ships in 1–2 business days
1
ShippingFree on sets of 4
Fitment checkedReal experts
30-day returns20% restock fee
Specifications
- Size
- 255/40R21
- Season
- Performance
- Load Index
- 102
- Speed Rating
- Y — up to 300 km/h
- Features
- XL
- UTQG
- 320/A/A
- SKU
- 212113
Reviews
4.5
4.5 · 4 reviewsSarah M.
Kitchener
5.0
Highly recommend
Shipped fast and arrived a day early. Ride is smooth and no vibration.
12/13/2025
Priya S.
Hamilton
4.0
Very impressed
Good tire for the money. Road noise is low and they look clean on the car.
1/12/2026
Justin P.
Burnaby
5.0
Really happy
Handled our first snow of the season with zero drama. Confident stopping.
6/3/2026
Hassan L.
Whitby
4.0
Highly recommend
Handled our first snow of the season with zero drama. Confident stopping.
5/21/2026
