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Description
all terrain mountainbike CYCROWN Roma All-Terrain EbikeSize & Fit Recommended size: 5'7" 6'7" Unfolded Size: 78" x 28" x 48" Net Weight: 84. 7 Lbs Max Load: 330 Lbs What's in the Box? Front Wheel + Locking Screws Pedals 2 Saddle 1 + Seat Post 1 Charger with US Standard Cable 1 Battery Switch Keys 2 User Manual 1 Brand Card 1 Tool Kit 1 FAQ How far can the Roma eBike go on a single charge? Up to 90 miles with pedal assist (varies by terrain, rider weight, and mode). Whats the top speed, and is it street
Size & Fit
- Recommended size: 5'7" – 6'7"
- Unfolded Size: 78" x 28" x 48"
- Net Weight: 84.7 Lbs
- Max Load: 330 Lbs
What's in the Box?
- Front Wheel + Locking Screws
- Pedals ×2
- Saddle ×1 + Seat Post ×1
- Charger with US Standard Cable ×1
- Battery Switch Keys ×2
- User Manual ×1
- Brand Card ×1
- Tool Kit ×1
FAQ
-
How far can the Roma eBike go on a single charge?
Up to 90 miles with pedal assist (varies by terrain, rider weight, and mode). -
What’s the top speed, and is it street-legal?
Up to 20 mph on throttle only, and 28 mph with pedal assist. -
What kind of battery does it use, and is it safe?
48V 20Ah Samsung (EVE 21700) cells with UL-certified smart BMS protection. -
Does it handle rough terrain well?
Yes — it features a Four-Link suspension system with dual shocks (front fork + mid shock) designed for off-road riding. -
What rider height does it fit best?
Recommended rider height: 5’7”–6’7” (170–200 cm). -
How much does the bike weigh, and what’s the max load?
Net weight ~84.7 lb (38.4 kg); max payload up to 330 lb (150 kg). -
What braking system does it have?
Hydraulic disc brakes with power cut-off for reliable stopping power. -
Does it come with a smart display or app connectivity?
Yes — full-color TFT display + smartphone app for real-time riding data and navigation. -
How long does it take to fully charge?
Around 5–6 hours with the included 54.6V 2.8A charger. -
Is it water-resistant? Can I ride it in the rain?
Rated IPX4 water-resistant — safe against splashes and light rain.
|
750W Motor Power |
|
48V 20Ah Battery |
|
Four-Link Full Suspension |
|
90 Miles Range |
|
28 MPH Top Speed |
|
Torque & Cadence Sensor |
- Motor 750W (Peak 1500W)
- Sensor Torque & Cadence Dual Sensor
- Battery 48V 20Ah EVE 21700 Samsung Cells with UL-Certified Smart BMS
- Suspension System Dual Crown Hydraulic Fork & Four-Link Seatpost Shock
- Display Full-Color TFT, IOS & Android Compatible
- Top Speed 28 MPH*
*Reaches 20 mph on motor power alone. With efficient pedaling cadence, you can comfortably push speeds up to 28 mph for an extra boost.
- Range Up to 90 Miles*
*Range tested under ideal conditions with pedal assist at low to medium power. Actual mileage may vary depending on rider weight, terrain, weather, and riding style.
· Climbing Ability Suitable for Climbing Slopes and Flat Roads
*The actual performance would depend on the rider's physical strength.
- Tires
- 26*4.0" KENDA
- Gearing
- Shimano 8-Speed Gear System
- Brake
- Hydraulic Disc Brakes w/ Cut-Off
- Lights
- LED Headlight & Taillight
- Frame
- Aluminium Alloy
- Saddle
- Wide Comfort Saddle w/ Suspension
- Throttle Mode
- 10/12/15/18/20MPH
- Pedal
- 9/16" Alloy Platform
- Net Weight
- 84.7 Lbs
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4.5 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 2
A masterfully falsified history of the late Soviet developments
Format: Paperback
This book represents academic propaganda, providing some interesting insights into important events. Some details are true, but some crucial details are omitted. It represents a sanitized version of Russia's modern history. It provides misleading information about Gorbachev's constitutional reforms, aimed at partitioning of 15 republics into 53 confederation entities. Originally, the targeted republics were Kazakhstan, Moldova, Georgia, Azerbaijan, Ukraine, etc. Those conflicts were manufactured by the Soviet center to discredit "nationalists," facilitate the partition of national republics, and grant Moscow right to protect ethnic minorities. According to Starovoitova, Bakatin, Yakovlev, and a few other primary sources, the Soviet security services led special operations in the Caucasus and Central Asia to provoke those conflicts. Zubok avoids citing those parts. Using the imperial approach of "divide and rule," Moscow attempted to become a peacekeeper in the conflicts it created between different ethnicity.
In addition to fragmenting the republics with well-developed national identities, Gorbachev's new constitution would revoke their right to leave the USSR, written in Lenin's 1922 Constitution (Shakhnazarov, 1992). Zubok does not explain any of it. His book is an effort to protect the truth and conceal facts with Russian myths and lies about nationalism (also referred to as Nazism). Notably, Zubok does not recognize non-Russian republics and describes them as "territories." He mentions Pitsunda as a resort on the Black Sea, not as Georgia. For lying about the genocidal ethnic cleansing conducted by the Russian military against the Georgian population of Abkhazia, Zubok owes apology to the victims of conflicts and wars initiated by Gorbachev and carried on by Yeltsin.
The story about "the hardliners coup against Gorbachev" is also a big fat lie. American scholars, Amy Knight, John Dunlop, and William Odom provide more accurate insights. For Russian sources, read Marshal Shaposhnikov or Aleksandr Lebed's memoirs (1995) and listen to Gennady Yanaev's interview (2009). According to Mitrokhin archives (original), the August 1991 coup was an active measure the KGB developed per Gorbachev's request. The so-called coup was part of Gorbachev's constitutional reform, which would lead to the removal of unfriendly leaders (including Yeltsin) from the republics. It failed because the Soviet military brass, foremost Pavel Grachev, had defected to Yeltsin earlier in 1991. When you read a book by a seasoned Russian propagandist, like Zubok or Trenin, take it with a grain of salt, because it will always contain a mix of lies and truth.
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Reviewed in the United States on March 16, 2023
★★★★★ 5
An important work and worth the time.
Format: Hardcover
Real scholarship addressing difficult but important topics in history, economic history, and development. What every economist should read to think much more deeply about how institutions, culture, and human agency interact. At the same time, scholars like the three co-authors demonstrate that there still remains the possibility of doing work that isn’t larded with ideological or activist posturing. Highly recommended.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Excellent research and well written by a Noble Laureate
Format: Hardcover
Excellent research and well written.
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Reviewed in the United States on December 10, 2025
★★★★★ 2
should have been shorter
Format: Hardcover
really interesting approach - but far too wordy
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Reviewed in the United States on February 3, 2026
★★★★★ 5
6 year old loves these books
Format: Paperback
One of my son’s favorite book series.
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Reviewed in the United States on May 1, 2026