Rainbow MTB Bicycle Air Fork Front Suspension 27.5/29inch Straight Tube Manual
Size:27.5 inch (650B)? Travel:120mm (120mm refers to the exposed stroke And 100mm is the actual active stroke). Steerer:Alloy Straight tube:28.6220mm. 27.5inch:1970g +/-50g (for reference only). 29inch: 1995g+/-50g (for reference only). Options: Straight Tube /Hand control. If you want more information about the fork size.