21speed Paint inside sticker High carbon steel argon arc welded frame Shock absorbing front fork Sealed bottom bracket Aimegao transmission 7 positioning flywheel Aluminum alloy handlebar 2.35 thick outer tire Highly elastic and comfortable saddle

21speed Paint inside sticker High carbon steel argon arc welded frame Shock absorbing front fork Sealed bottom bracket Aimegao transmission 7 positioning flywheel Aluminum alloy handlebar 2.35 thick outer tire Highly elastic and comfortable saddle

21speed Paint inside sticker High carbon steel argon arc welded frame Shock absorbing front fork Sealed bottom bracket Aimegao transmission 7 positioning flywheel Aluminum alloy handlebar 2.35 thick outer tire Highly elastic and comfortable saddle