Aluminum Alloy Mountain Bike Folding Bike | Aluminum Alloy Suspension Fork - 26 27.5 - Aliexpress
North rock XC27 Costco Mountain bike, Aluminum-alloy black frame | eBay
27.5er Boost/29er Lightweight Aluminum Hardtail Mountain Bike Frame - China Frame, MTB Frame | Made-in-China.com
Amazon.com : Hiland 26 27.5 Inch Mountain Bike for Women,21/24 Speed with Lock-Out Suspension Fork,Dual Disc Brakes,Aluminum Frame MTB,Adult Ladies Womens Bike Mens Bicycle : Sports & Outdoors
Gorgeous F160 mountain bike is milled from a single aluminum block