Accessories introduction:<br><br> F / derailleur: Shimanos TZ-30<br><br> R / derailleur: Shimanos TZ-50<br><br> Shifter: Shimanos 51-7<br><br> Freewheel: 7 tower wheels<br><br> Chain: 108 chain<br><br> Chainwheel: 170 three small sprocket<br><br> Frame / Fork: 31.8 bold front fork<br><br> Handlebar / stem: Black Shark 31.8 Black Four Nail Combination<br><br> Tire: Three-knife wheel<br><br> Frame: high carbon steel<br><br> Brake: Tolan disc brake / MTB break lever<br><br> product description:<br><br> Tire size: 26 inches<br><br> Product size: 150x25x (59-70) cm / 59x9.8x (23-27.5) in<br><br> Product folding size: 94x88x38cm / 37x34x15in<br><br> Product packaging size: 134x72x19cm / 52x28x7.5in<br><br> Gross weight: 20kg<br><br>