Drive side compartment for larger items

S2 Industrial Tool Steel

Shimano Hub

from the incredibly light and stiff Next SL's to the durable and affordable Aeffects

And if you have several bikes

Shimano GRX ST-RX815 Di2 Hydraulic Disc Brakeset Rear can be discounted Drive side compartment for largerThe Shimano GRX ST RX815 11 speed Di2 shift brake lever integrates electronic shifting with improved grip and confidence on chippy surfaces and descents. A raised hood head prevents hand misalignment and slippage, while a recessed finger notch prevents upward slipping Anti slip texture and brake lever coating Higher brake lever axis and curved lever allow for higher braking efficiency to reduce fatigue on long rides Tooled reach adjust allows for