Product Name: D Brake Bike Suspension Bicycle 21 Speed Mountain Bike Model NO.: GD-MTB-001 Gear: 21 Speed Foldable: Not Foldable Wheel Size: 29" frame Size: 29" Grips: TPR125mm Shifing Lever: Shimano Astef500-7-3 F Deraileur: Shimano Afdty500tsm6 R Deraileur: Shimano Ardtz500gsd Freewheel: Shimano Amftz317434t F/R Brake: D-Brake Yk-6b Zdj160mm Chain Wheel: Steel 1/2"*3/32"*24*34*42t*170mm Chain: P50 1/2*3/32"*110L Rim: Zla-025 29*1.75 H:20mm 14G*36h AV Bk Saddle: Saddle Bk Printing Color with Plastic base Type W Handlebar: Steel Bend Type 22.2*31.8*680*1.2t R:20mm 6 Stem: Alloy Stem 28.6*31.8*2.2t H:36mm Ext:90mm Seat Post: Steel 28.6*350*1.4t Bk Tires: Bl-725 29*2.125 Bk frame: Steel Trademark: OEM Transport Package: Carton Specification: 148*21*78cm Origin: Tianjin China Product Description D Brake Bike Suspension Bicycle 21 Speed Mountain BikeCompany description...GUODA (Tianjin) science and technology development Inc. is a company which specialize in trading and manufacturing, the production including electric bicycle, bicycle, and kids' bicycle. Since 2007, we are committed to building a professional factory of bicycle production. In 2014, GUODA Inc. was established officially and located in Tianjin which the largest comprehensive port city and foreign trade port in North of China. Products of GUODA are being sold well both domestic and abroad. In 2018, GUODA Africa Limited was established to explore the international market to follow "The Belt and Road Initiative" I.e. "The Silk Road Economic Belt and 21st-Century Maritime Silk Road". Expecting to be your loyal business partner to create a mutually beneficial and win-win future!FAQ:1. Q: Where is you company located? How can I visit there? A: Our factory is located in Tianjin City of China.2. Q: Can I get samples and how long will it take? A: Yes, we offer samples. It will take about 30-45 days to finish an order. But the exact time is according to actual situation.3. Q: What's the MOQ? A: MOQ is 30pcs.4. Q: Can I have my own customized product? A: Yes, the customized requirements are welcome for color, logo, design, package, carton mark, your language manual etc.5. Q: Can I mix the models in one container? A: Yes, different models can be mixed in one container.6. Q: What are the payment terms? A: Accept T/T, L/C.7. Q: How does your factory carry out quality control? A: Quality control certificates are attached for every part of our products by our professional quality control team.