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How Financing Works
Get your bike now and pay over time. At checkout, simply select Shop Pay to split your total into smaller, manageable payments.
Legal Disclaimer: Belcopia is an authorized retailer, but we are not a financing company. We do not issue credit, manage loans, or make approval decisions. All financing, eligibility checks, and payment plans are provided entirely and independently by Shop Pay and their lending partners (Affirm).
Shipping
Belcopia is committed to deliver the product in perfect condition at the address indicated by the customer in the checkout page. In order to optimize delivery, we thank the customer for indicating an address in which the order can be delivered within normal business hours.
Returns
Your money means nothing to us if you are unhappy with your purchase with us. Customer satisfaction with our products is important to us, which is why we do returns and refunds, if the customer is not satisfied with our products. Simply send us an email, contact us on live chat, or if it can’t wait, call us and we’ll make things right.
Purchases made on our website can be returned for a refund within 30 days from the date of delivery. If 30 days have passed since delivery of the product, we are unable to offer a refund. Please note that the buyer is responsible for the cost of returning the product.
If you have any questions, please view our Shipping Policy page or Return Policy page.
Give us a call at (718) 808-6415, or email: support@belcopia.com.
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Full Manufacturer Backing: Cyrusher
Cyrusher builds high-performance fat tire and full-suspension e-bikes for adventure riders. As an authorized retailer, every Cyrusher we sell is backed by the manufacturer’s 2-year warranty.
Coverage Breakdown:
- 2-Year Frame, Motor & Controller: Coverage against manufacturer defects in materials and workmanship, limited to one replacement per part, per bike.
- 2-Year Battery: Coverage for defective lithium-ion batteries (excludes damage from power surges, improper chargers, or water damage).
- 2-Year Components: Hydraulic brakes, front fork, rear shock, bike computer, pedal assist sensor, charger, stem, handlebar, headset, seat post, bottom bracket, crankset, and shifting systems.
What’s Not Covered
Wear items (chains, rims, spokes, brake pads, tubes, tires, rotors, grips, seats) and gears/accessories.
How to File a Claim
Email your proof of purchase and photos/video to support@belcopia.com and our team will coordinate directly with Cyrusher.
If every pothole and trail bump sends a jolt straight through your spine, your seat post is the problem. This 50mm-travel suspension post absorbs the hits your Rumble's frame doesn't, with adjustable preload so it works whether you weigh 130 or 230 pounds.
Key Features
- 50mm travel suspension with stainless steel bushing for smooth, durable action
- 27.2mm diameter with included 33.9mm shim adapter — fits Rumble without modifications
- 350mm total length with adjustable preload; hard and soft spare springs available
Specifications
| Material | Aluminum Alloy with Stainless Steel Bushing |
|---|---|
| Travel | 50mm |
| Seat Post Diameter | 27.2mm (33.9mm shim included) |
| Length | 350mm |
| Preload | Adjustable |
| Spare Springs | Hard + soft available |
Frequently Asked Questions
Is this seat post compatible with the Cyrusher Rumble?
Yes, this suspension seat post comes with a 27.2mm diameter plus a 33.9mm shim adapter, giving it a perfect fit on the Cyrusher Rumble.
Can I adjust the suspension stiffness?
Yes, the preload is adjustable. Hard and soft spare springs are also available separately for fine-tuning to your weight.
Will this seat post fit other e-bike brands?
No. This seat post is designed for the Cyrusher Rumble with specific diameter and shim sizing. It will not fit Rambo, Bakcou, Velowave, or other brands without verifying seat tube diameter compatibility.
What's In The Box
- Suspension seat post (27.2mm)
- 33.9mm shim adapter
- Installation hardware