The lightweight 650B (27.5 x 2.25) Rocket Ron gets a major facelift this year, in what they like to call ‘The Next Generation’ version. They have reduced the rolling resistance by 15% due to redesigned center knobs, added stronger side knobs for less squirm, and all the knobs get three micro V-grooves each, for increased grip, control and wet adhesion, while retaining good strength. In addition, the tread pattern has been subtlety tweaked, and the knob height has been decreased. The sidewalls are lightly textured, thicker and have a uniform surface for increased toughness of their 127tip casing, and to assist with tubeless ready mounting.
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