Teen Student Variable‑Speed Mountain Bike

功能：铝合金车架；42管减震前义内管电镀；小燕车把；仿铝曲机械线碟；四方把立；双层刀圈；丁基内胎；建大2.10外胎；轴承轴皮带前快拆；高档车座，铝合金鸭头座管；禧玛诺外七速；高档烤漆无膜标；美卡85%装纸箱

Functions：Frame: Aluminum alloy frame

Front Fork: 42‑tube shock‑absorbing fork with plated inner tube

Handlebar: Small swallow‑shaped handlebar

Brake: Aluminum‑look mechanical cable disc brake

Stem: Square‑shaped handlebar stem

Rims: Double‑layer knife‑edged rims

Inner Tube: Butyl rubber inner tube

Outer Tire: Kenda 2.10 tire

Front Hub: Bearing axle with belt‑style front quick‑release

Saddle: High‑grade comfort saddle

Seat Post: Aluminum alloy duck‑head seat post

Drivetrain: Shimano 7‑speed external gear

Surface Finish: High‑grade baking paint, film‑free decals

Packaging: 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：20inch

装箱数pcs/ctn:1pcs