Schwalbe SV 80mm Tube 15L (28") 27 × 1.10–1.35 QBP Machined 4-slot air-flow system compatible

Machined 4-slot air-flow system compatible with most tubeless tire inserts

Terra is the lightest and fastest gravel cockpit weighing in at a mere 298g

has zero frame contact

Mirror or Fork Stem) or 1" Ball Adaptor

Easy installation due to the sloping bottom

Schwalbe SV 80mm Tube 15L (28") 27 × 1.10–1.35 QBP Machined 4-slot air-flow system compatibleSchwalbe standard bicycle inner tube no. 15L. For bicycle tires in size 28" inch (ETRTO 2834 622, 2832 630). Holds air for an above average length of time. Thanks to the best material quality and uniform wall thickness. Maximum reliability that has proven itself millions of times over.