Sumitomo rubber ind
A motorcycle and tire technology, applied to motorcycle tires, motorcycles, off-road vehicle tires, etc., can solve the problems of tire left and right shaking, resistance, inability to fully exert traction performance and braking performance, etc. Effects of improving traction performance, improving traction performance and braking performance
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[0085] Manufactured as figure 1 The tires having the basic structure shown in Table 1 and having the central blocks, middle blocks and shoulder blocks shown in Table 1 were evaluated for their performance. And, for comparison, a Figure 5 The conventional tire (Comparative Example 1) shown in (a) and the tire (Example 17) in which the positions of the centroids of the middle blocks were the same in the tire axial direction were evaluated in the same way. Among them, the common specifications are as follows.
[0086] Tire size:
[0087] Front wheel: 80 / 100-21
[0088] Rear wheel: 120 / 80-19
[0089] Rim size:
[0090] Front wheel: 1.60×21
[0091] Rear wheel: 2.15×19
[0092] Tread width TW: 97mm
[0093] Tread expansion width TWe: 118.72mm
[0094] Half of the tread width 0.5TWe: 59.36mm
[0095] Land Ratio (SL / S): 10%
[0096] Pattern block:
[0097] Height D1: 15mm
[0098] Central block:
[0099] Maximum width W11: 11mm
[0100] Maximum length L11: 11mm
[01...
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