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Orders under $29.99 ship for $4.99, while orders of $29.99 and above enjoy free shipping (3–5 business days). $10 extra applies for bulky items.
In-stock items ship from our U.S. warehouse in 3–5 business days; international orders take 7–12 business days when U.S. stock is unavailable.
We offer a 30-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email-contact@rockbrosus.com
Estimated Delivery Timeline

MT600 27.5 Inch MTB – Features & Specifications
The comfort-oriented geometry promotes a natural riding position, helping reduce fatigue during daily commutes, fitness rides, and longer recreational outings.
| Category | Specification |
|---|---|
| Brand | ROCKBROS |
| Frame | ROCKBROS 27.5" Aluminum Alloy MTB Frame, Disc Brake |
| Fork | 27.5" Suspension Fork, Mechanical Lockout, Spring Adjustable |
| Handlebar | ROCKBROS 31.8mm Aluminum Flat Bar |
| Stem | ROCKBROS Aluminum Stem |
| Saddle | ROCKBROS MTB Saddle |
| Seatpost | Aluminum Alloy Seatpost |
| Shifters | SHIMANO CUES U4000 2*9 |
| Front Derailleur | SHIMANO CUES U4000 |
| Rear Derailleur | SHIMANO CUES U3020 9 speeds |
| Cassette | CS-M5009, 9-Speed, 11–36T |
| Crankset | Prowheel Aluminum Crankset, 4-Bolt, 22–36T |
| Brakes | SHIMANO MT200 Hydraulic Disc Brakes |
| Rims | Aluminum Double-Wall Rims, 21mm Depth |
| Hubs | Aluminum Bearing Hubs, Quick Release |
| Spokes | 14G Carbon Steel Spokes with Brass Nipples |
| Tires | CST All Terrains 27.5*2.1 |
| Inner Tubes | Schrader Valve (A/V), 34L |
| Weight | Approx. 14.62 kg |
The comfort-oriented geometry promotes a natural riding position, helping reduce fatigue during daily commutes, fitness rides, and longer recreational outings.
| Category | Specification |
|---|---|
| Brand | ROCKBROS |
| Frame | ROCKBROS 27.5" Aluminum Alloy MTB Frame, Disc Brake |
| Fork | 27.5" Suspension Fork, Mechanical Lockout, Spring Adjustable |
| Handlebar | ROCKBROS 31.8mm Aluminum Flat Bar |
| Stem | ROCKBROS Aluminum Stem |
| Saddle | ROCKBROS MTB Saddle |
| Seatpost | Aluminum Alloy Seatpost |
| Shifters | SHIMANO CUES U4000 2*9 |
| Front Derailleur | SHIMANO CUES U4000 |
| Rear Derailleur | SHIMANO CUES U3020 9 speeds |
| Cassette | CS-M5009, 9-Speed, 11–36T |
| Crankset | Prowheel Aluminum Crankset, 4-Bolt, 22–36T |
| Brakes | SHIMANO MT200 Hydraulic Disc Brakes |
| Rims | Aluminum Double-Wall Rims, 21mm Depth |
| Hubs | Aluminum Bearing Hubs, Quick Release |
| Spokes | 14G Carbon Steel Spokes with Brass Nipples |
| Tires | CST All Terrains 27.5*2.1 |
| Inner Tubes | Schrader Valve (A/V), 34L |
| Weight | Approx. 14.62 kg |