Teen Student Variable‑Speed Mountain Bike

功能：车架：全氩弧焊白料黑簧；前叉：38管黑肩电镀腿60肩；快拆：阳极紫31.8铝合金-中空把；刹车：机械碟刹；中轴：全轴承传送系统；轮盘：170中鱼腿36T双面四孔罩；变速器：禧玛诺7速变速器；闸把：全铝闸把；车把：天津小燕把+铝合金80把立；把套：彩色把套；车圈：紫色车圈；花鼓：培林卡式花鼓；外胎：足宽2.125防滑耐磨车胎；塔轮：定位七飞-120响；鞍座：高弹舒适车座；烤漆：高档炫彩烤漆内贴花；纸箱：美卡纸箱85%组装

Functions：Frame: Full argon‑arc welded raw frame with black springs

Front Fork: 38‑tube black‑shoulder shock fork, plated legs, 60‑mm shoulder

Quick‑Release Handlebar: Anodized purple 31.8mm aluminum alloy hollow handlebar

Brakes: Mechanical disc brakes

Bottom Bracket: Full‑bearing transmission system

Crankset: 170mm crank arm, 36T chainring, double‑sided four‑hole guard

Derailleur: Shimano 7‑speed derailleur

Brake Levers: Full‑aluminum brake levers

Handlebar: Tianjin‑style swallow handlebar + 80mm aluminum alloy stem

Grips: Colorful handle grips

Rims: Purple rims

Hub: Bearing cassette hub

Outer Tire: Full‑width 2.125 anti‑slip & wear‑resistant tires

Cassette: Indexed 7‑speed freewheel, 120‑click sound

Saddle: High‑elastic comfortable saddle

Paint Finish: High‑end dazzling‑color baking paint with inner decals

Carton: US‑spec carton, 85% pre‑assembled

包装尺寸/Package Size：

产品尺寸/Product Size：

净重/ (N.W.)-毛重/(G.W.)：

选配/Optional Accessories：22inch/24inch

装箱数pcs/ctn:1PCS