Ortlieb Frame-Pack Top Tube Width-35-45c it will add physical grade

it will add physical grade changes to your indoor training

Material- Hardened Steel / High polymer

All-weather available

2 Cassette Lockring Tool

These Premium Shimano 110/4 bcd compatible oval chainrings are designed for Shimano cranks like Dura-Ace 9000

Ortlieb Frame-Pack Top Tube Width-35-45c it will add physical gradeThe ORTLIEB Toptube Frame Pack is the smart solution for all who want to use their frames main triangle for storage space without having to do without their water bottle. The solution also works for those who have full suspension mountain bikes with limited triangle space. With its 4 liter payload, the Toptube Frame Pack provides plenty of space for heavy equipment such as tent poles, tools and food supplies, while also helping to secure a low center