The X-Plug expander is a practical and lightweight removable accessory which allows the locking of the cap adjusting bolt. The special design allows for extremely wide compatibility with most carbon or aluminum alloy steerers on the market. Made in Italy.
Size Compatibility
1 1/8" compatibility range of steerer inner diameter: 21.2 - 25 mm
1 1/4" compatibility range of steerer inner diameter: 24 - 28 mm
