unifiber sdm hd aluminium Size:4 - 30 cm the latter is almost imperceptible

the latter is almost imperceptible to a normal windsurfer

features Only available as an asymmetric fin

Knee Flex Notches at the back

but offer a crucial additional function

The focus is on control in flight

unifiber sdm hd aluminium Size:4 - 30 cm the latter is almost imperceptibleWe 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.