Has this not been discussed yet? I haven’t seen it on the forum.
https://ig.me/2dEU8tR9nSmwbLG
Ceramic speed has developed a drivetrain without a chain.
USAT Level II- Ironman U Certified Coach
https://ig.me/2dEU8tR9nSmwbLG
Ceramic speed has developed a drivetrain without a chain.
USAT Level II- Ironman U Certified Coach