AVAILABLE IN 6/8 WEEKS Seatclamps Darimo Sub4 Superlight Carbon Seatclamp with Titanium screw from 3.6g DARSEA18022019 €69.00 The name says it all … Sub4, less than 4 grams for a totally handmade carbon fiber seatclamp. Although it does not seem possible, it has a titanium screw, which allows tightening torque of up to 5Nm. The closure may have small irregularities, but it has the beauty of craftsmanship, each closure is unique as it is made by braiding the carbon by hand.... Add to cart