Blackburn Trainer Block - Black
Blackburn Trainer Block - Black, Use this nifty device to keep your ride comfortable. When places under your front wheel, this block raises the front of the bike by approximately 2.75" (70mm) to give you a more level and stable platform for your workout.Compatible with most road and mountain bike wheels sizes. This includes the diameter 26", 650b, 700c, 27.5" and 29" widths from 23c up to 2.3"Integrated storage clamps in the trainer to store when not being used.