Schwalbe SV 40mm Tube 4 (16"/18") 16-18 × 1.1–1.45 POS This patent pending ergonomic design

This patent pending ergonomic design boasts a heavy-duty construction and can clean your chain in seconds

Weight: 860 g | 30

this stem earns the Alpinist name as the ideal upgrade to almost any bike

BBB Cycling BHS-08OS Stem Road Force - 35MM Black

Schwalbe SV 40mm Tube 4 (16"/18") 16-18 × 1.1–1.45 POS This patent pending ergonomic designSchwalbe standard bicycle inner tube no. 4. For bicylce tires in 16" 18" inch (ETRTO 37 340, 2837 349, 2835 355). Retains 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.