The large capacity provides plenty of fluid for both road and mountain biking

000km of chain life

The smart display shows both battery level and current tire pressure in bar or PSI

sharp vision in all lighting conditions

the Topstone 1 Obsidian is a reliable partner for all your gravel adventures

Silca SpeedChip 68G mtb-handskar The large capacity provides plentySilca SpeedChip 68G is the ultimate choice for cyclists who want maximum speed and performance. Used by Visma Lease a Bike for time trials and one day classics, this is a fully synthetic chain wax based on the same exclusive oils as Silca Synergetic. It contains three sizes of submicron and nanoscale Tungsten Disulphide plates, providing extremely low friction and superior wear resistance. Tests show that SpeedChip can permanently increase chain