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Observe S944

Observe S944 is the latest tire to benefit from Nano Balance Technology. All-new materials, construction and compounds combine to offer safe, comfortable driving which can still be enjoyed when the weather turns cooler.

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EU Label data
Rolling Resistance
E-F
E F
Wet Grip
B
B
Noise
69dB 71dB
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Features and benefits

Snow performance

Shorter braking distance and enhanced handling stability in winter weather conditions

Wet performance

New compound provides good braking performance on wet roads

Directional Tread Design

Good balance between drainage and traction performance

Traction Sipe

Improves snow traction

Connected tread block

Improves stability and cornering

Specifications

Rim Diameter
18
Load Speed Index
95V XL
Tread Depth (mm)
8.3
Overall Diameter (mm)
659.0
Overall Width (mm)
225.0
Approved Rim Width Range (inch)
7.0-7.5-8.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
92W XL
Tread Depth (mm)
8.2
Overall Diameter (mm)
637.0
Overall Width (mm)
230.0
Approved Rim Width Range (inch)
7.0-8-9.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
225/45 R18 18 95V XL 8.3 659 225 7.0-7.5-8.5 F B 71 dB
225/40 R18 18 92W XL 8.2 637 230 7.0-8-9.0 F B 71 dB
Rim Diameter
17
Load Speed Index
98V XL
Tread Depth (mm)
8.6
Overall Diameter (mm)
668.0
Overall Width (mm)
226.0
Approved Rim Width Range (inch)
6.0-7-7,5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
101V XL
Tread Depth (mm)
8.7
Overall Diameter (mm)
680.0
Overall Width (mm)
233.0
Approved Rim Width Range (inch)
6.0-7-8.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
98V XL
Tread Depth (mm)
8.5
Overall Diameter (mm)
658.0
Overall Width (mm)
233.0
Approved Rim Width Range (inch)
6.0-7-8.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
94V XL
Tread Depth (mm)
8.3
Overall Diameter (mm)
634.0
Overall Width (mm)
225.0
Approved Rim Width Range (inch)
7.0-7.5-8.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
215/55 R17 17 98V XL 8.6 668 226 6.0-7-7,5 E B 71 dB
225/55 R17 17 101V XL 8.7 680 233 6.0-7-8.0 F B 71 dB
225/50 R17 17 98V XL 8.5 658 233 6.0-7-8.0 E B 71 dB
225/45 R17 17 94V XL 8.3 634 225 7.0-7.5-8.5 F B 71 dB
Rim Diameter
16
Load Speed Index
91H
Tread Depth (mm)
8.5
Overall Diameter (mm)
632.0
Overall Width (mm)
214.0
Approved Rim Width Range (inch)
5.5-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
69 dB
Rim Diameter
16
Load Speed Index
94V XL
Tread Depth (mm)
8.5
Overall Diameter (mm)
632.0
Overall Width (mm)
214.0
Approved Rim Width Range (inch)
5.5-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
102H XL
Tread Depth (mm)
8.8
Overall Diameter (mm)
686.0
Overall Width (mm)
221.0
Approved Rim Width Range (inch)
6.0-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
205/55 R16 16 91H 8.5 632 214 5.5-6.5-7.5 E B 69 dB
205/55 R16 16 94V XL 8.5 632 214 5.5-6.5-7.5 E B 71 dB
215/65 R16 16 102H XL 8.8 686 221 6.0-6.5-7.5 E B 71 dB
Rim Diameter
15
Load Speed Index
92H XL
Tread Depth (mm)
8.5
Overall Diameter (mm)
621.0
Overall Width (mm)
189.0
Approved Rim Width Range (inch)
5.0-5.5-6.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
70 dB
Rim Diameter
15
Load Speed Index
88H XL
Tread Depth (mm)
8.4
Overall Diameter (mm)
603.0
Overall Width (mm)
189.0
Approved Rim Width Range (inch)
5.0-5.5-6.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
70 dB
Rim Diameter
15
Load Speed Index
91H
Tread Depth (mm)
8.6
Overall Diameter (mm)
635.0
Overall Width (mm)
201.0
Approved Rim Width Range (inch)
5.5-6-7.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
15
Load Speed Index
95T XL
Tread Depth (mm)
8.6
Overall Diameter (mm)
635.0
Overall Width (mm)
201.0
Approved Rim Width Range (inch)
5.5-6-7.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
185/65 R15 15 92H XL 8.5 621 189 5.0-5.5-6.5 F B 70 dB
185/60 R15 15 88H XL 8.4 603 189 5.0-5.5-6.5 F B 70 dB
195/65 R15 15 91H 8.6 635 201 5.5-6-7.0 E B 71 dB
195/65 R15 15 95T XL 8.6 635 201 5.5-6-7.0 E B 71 dB