Teen Student Variable‑Speed Mountain Bike

功能：铝合金车架+补土;42管铝肩锁死可调前叉;铝合金曲柄；6度车把;丁基内胎;银星油碟;智能把立 ;30宽双层刀圈;建大1153外胎;铝合金鸭头座管;铝合金前二后四培林120;响花鼓带前后快拆;高档中空车座;全铝脚踏;蓝图27速变速器;卡式九片塔轮;美卡85%装纸箱;高档烤漆无膜标

Functions：Frame: Aluminum alloy frame with putty filler

Front Fork: 42‑tube aluminum shoulder lockout adjustable suspension fork

Crankset: Aluminum alloy crank arms

Handlebar: 6‑degree handlebar

Inner Tube: Butyl rubber inner tube

Brakes: Yinxing hydraulic disc brakes

Stem: Smart adjustable stem

Rims: 30‑width double‑layer knife‑edged rims

Outer Tire: Kenda 1153 tires

Seat Post: Aluminum alloy duck‑head seat post

Hub Set: Aluminum alloy front 2‑bearing & rear 4‑bearing 120‑click hubs with front & rear quick‑release

Saddle: High‑grade hollow saddle

Pedals: Full‑aluminum pedals

Drivetrain: L‑Twook 27‑speed derailleur

Cassette: Cassette 9‑speed freewheel

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

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

包装尺寸/Package Size：

产品尺寸/Product Size：

净重/ (N.W.)-毛重/(G.W.)：

选配/Optional Accessories：27.5inch

装箱数pcs/ctn:1pcs