Expander pieces for our ELS or SLS poles. Sold as a pair.
Available in three sizes 18 mm/black, 16 mm/blue and 14 mm/green.

Usually, if trekking poles go up to 140 or 145 cm they need 18 mm expanders for the upper connection and 16 mm expanders for the lower connection.
If the poles go up to 135 cm or lower, the upper connection will need 16 mm expanders and the lower connection 12 mm expanders.