Black Sale: CYCLING ACCESSORIES: $8, OFF $69+. $14 OFF, $99+
BIKES: Save up to $500










Shipping Fees:
We provide clear and detailed shipping fees based on the order amount and shipping method:
- Standard Shipping:
- Order Amount Below $50: Shipping Fee - $5.99
- Delivery Time: 3-4 business days
- Free Shipping:
- Order Amount $50 and over: Free 📦
Shipping Info
🚲 Bicycle Shipping
Delivery Times:
Shipping Fees:
We offer a 30-day 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 service@rockbrosbike.us.
At ROCKBROS, we offer a worry-free 2-year warranty to ensure your satisfaction. Whether it's a defect or product issue, simply reach out to us at service@rockbrosbike.us with your order details. We'll handle the rest to make sure your experience is smooth and hassle-free.

| Component | Specification |
|---|---|
| Frame | ROCKBROS 700C Carbon Fiber Frame |
| Front Fork | ROCKBROS Carbon Fiber Fork |
| Handlebar | Integrated Carbon Fiber Aero Handlebar |
| Stem | Integrated Carbon Fiber Aero Stem |
| Saddle | DDK Saddle |
| Seatpost | Carbon Fiber Seatpost |
| Shifters | ShunTai 2×12-Speed Shifters |
| Derailleurs | ShunTai 2×12-Speed Derailleurs |
| Cassette | 12-Speed 11–32T Freewheel |
| Brakes | ShunTai Hydraulic Disc Brakes with 160mm Rotors |
| Crankset | Driving Hollow Crankset 170mm × 50/34T |
| Rims | 700C Carbon Fiber Rims, 40mm Depth |
| Hubs | Aluminum Alloy Sealed Bearing Hubs |
| Spokes | 14G High-Carbon Steel with Brass Nipples |
| Tires | Innova 700C × 28C F/V Tires |
| Weight | ≈ 8.98 kg (M Size) |

| Feature | CTR ShunTai Version (2×12 Speed) | CTR Shimano 105 Version (2×12 Speed) |
|---|---|---|
| Shifters | ShunTai integrated hydraulic shifters with a slightly heavier, mechanical feel. Shifting travel is longer but crisp and reliable. | Shimano 105 R7120/R7170 dual control levers with refined ergonomics. Smooth, light, and highly precise shifting response. |
| Shifting Mechanism | Traditional cable-actuated system, with minor delay between front and rear derailleurs. | Advanced Shimano mechanical or electronic system (depending on setup) for faster, more accurate gear changes. |
| Brake Type | ShunTai hydraulic disc brakes using mineral oil. Strong braking power but firmer lever feel. | Shimano 105 hydraulic disc brakes with mineral oil. Smooth, linear braking power with excellent modulation and heat control. |
| Brake Calipers | Aluminum dual-piston design, simple and easy to maintain. | Shimano BR-R7170 (or similar) dual-piston calipers with high heat dissipation and consistent braking. |
| Brake Pads & Hoses | Uses standard mineral oil and compatible aftermarket pads. | Shimano original mineral oil and pads, offering longer lifespan and higher compatibility. |
| Maintenance | Easy and low-cost maintenance. | Longer service life but higher maintenance cost. |
| Riding Feel | Suitable for daily commuting and entry-level riders. | Ideal for intermediate to advanced riders seeking superior shifting and braking control. |

| Component | Specification |
|---|---|
| Frame | ROCKBROS 700C Carbon Fiber Frame |
| Front Fork | ROCKBROS Carbon Fiber Fork |
| Handlebar | Integrated Carbon Fiber Aero Handlebar |
| Stem | Integrated Carbon Fiber Aero Stem |
| Saddle | DDK Saddle |
| Seatpost | Carbon Fiber Seatpost |
| Shifters | ShunTai 2×12-Speed Shifters |
| Derailleurs | ShunTai 2×12-Speed Derailleurs |
| Cassette | 12-Speed 11–32T Freewheel |
| Brakes | ShunTai Hydraulic Disc Brakes with 160mm Rotors |
| Crankset | Driving Hollow Crankset 170mm × 50/34T |
| Rims | 700C Carbon Fiber Rims, 40mm Depth |
| Hubs | Aluminum Alloy Sealed Bearing Hubs |
| Spokes | 14G High-Carbon Steel with Brass Nipples |
| Tires | Innova 700C × 28C F/V Tires |
| Weight | ≈ 8.98 kg (M Size) |

| Feature | CTR ShunTai Version (2×12 Speed) | CTR Shimano 105 Version (2×12 Speed) |
|---|---|---|
| Shifters | ShunTai integrated hydraulic shifters with a slightly heavier, mechanical feel. Shifting travel is longer but crisp and reliable. | Shimano 105 R7120/R7170 dual control levers with refined ergonomics. Smooth, light, and highly precise shifting response. |
| Shifting Mechanism | Traditional cable-actuated system, with minor delay between front and rear derailleurs. | Advanced Shimano mechanical or electronic system (depending on setup) for faster, more accurate gear changes. |
| Brake Type | ShunTai hydraulic disc brakes using mineral oil. Strong braking power but firmer lever feel. | Shimano 105 hydraulic disc brakes with mineral oil. Smooth, linear braking power with excellent modulation and heat control. |
| Brake Calipers | Aluminum dual-piston design, simple and easy to maintain. | Shimano BR-R7170 (or similar) dual-piston calipers with high heat dissipation and consistent braking. |
| Brake Pads & Hoses | Uses standard mineral oil and compatible aftermarket pads. | Shimano original mineral oil and pads, offering longer lifespan and higher compatibility. |
| Maintenance | Easy and low-cost maintenance. | Longer service life but higher maintenance cost. |
| Riding Feel | Suitable for daily commuting and entry-level riders. | Ideal for intermediate to advanced riders seeking superior shifting and braking control. |

For any questions about your order, shipping, returns, exchanges, or product support, please feel free to contact our customer service team at service@rockbrosbike.us .
Shipping times depend on product availability and the shipping method selected.
Please note that international shipping times are estimates and may vary due to customs clearance, transportation schedules, and other unforeseen circumstances.
In-Store Pickup: You can also choose to pick up your order at our Elizabeth, NJ store. After placing your order, please email us at service@rockbrosbike.us or leave a note at checkout to request in-store pickup. Our team will check product availability and confirm the pickup details with you. Please wait for confirmation before visiting the store.
Shipping costs vary depending on the bike model, package dimensions, destination, and shipping method (Standard or Expedited).
Additional estimated shipping charges are already included for orders shipped to Hawaii (HI), Puerto Rico (PR), Alaska (AK), and the U.S. Virgin Islands (VI) due to higher transportation costs.
Free In-Store Pickup: If you choose to pick up your order at our Elizabeth, NJ store, no shipping fees will apply. If you have already paid for shipping, the shipping fee will be refunded after you collect your order.
As bicycles are large items, minor paint scratches or cosmetic damage may occasionally occur during long-distance shipping.
Small paint scratches can be addressed with stickers or a touch-up paint pen. For impact-related damage, please contact our customer service team for replacement parts. If the damage does not affect the bike's overall functionality or riding performance, it will not be considered a product quality issue qualifying for a full-bike return or exchange.
If you have particularly high expectations regarding the bike's appearance, please consider this carefully before placing your order.
We recommend keeping the original box and all packaging materials for at least 30 days after delivery.
Before returning your bike, please review the following requirements:
Important: Please contact us at service@rockbrosbike.us before returning your bike. Our team will review your request and provide return instructions.
Please inspect the outer packaging before signing for delivery. If you notice any damage, deformation, or signs of impact, please refuse the delivery, take photos as evidence, and contact our customer service team within 24 hours.
If you experience any issues while using your bike or accessories, please contact our customer service team at service@rockbrosbike.us for assistance. When contacting us, please provide clear photos or videos showing the issue so our team can assess the situation and assist you more efficiently.