unifiber sdm hd aluminium Size:4 - 30 cm features Only available as an

features Only available as an asymmetric fin

Knee Flex Notches at the back

It has been specially designed to protect the rails of your board from scratches

The focus is on control in flight

We present the Unifiber SDM HD Aluminum Extension

unifiber sdm hd aluminium Size:4 - 30 cm features Only available as anWe present the Unifiber SDM HD Aluminum Extension. The mid range model from Unifiber is suitable for all windsurfers who use newer equipment but still want to keep an eye on their budget. For $79. 95, you get a rock solid Extension that clearly stands out for its durability. If you're not sure whether you need a high performance Extension, this Extension offers a very good compromise between price and performance.