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Description
fitnessbike speed CTRComponent 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 212 Speed Shifters Derailleurs ShunTai 212 Speed Derailleurs Cassette 12 Speed 1132T Freewheel Brakes ShunTai Hydraulic Disc Brakes with 160mm Rotors Crankset Driving Hollow Crankset 170mm 50 34T Rims
| 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) |
CTR ShunTai vs CTR Shimano 105 — Shifting & Braking System Comparison
| 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. |
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4.6 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
A complete collection of Wright's poems
Format: Paperback
Am enjoying reading Wright's poems.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2021
★★★★★ 5
Informative
Format: Paperback
Very interesting. Great complement for a history or sociology class.
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Reviewed in the United States on November 11, 2024
★★★★★ 1
small comic book
Format: Paperback
more like a pamphlet than a book... very disappointing
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Reviewed in the United States on November 18, 2020
★★★★★ 3
Booklet.
Format: Paperback
Book was depicted like a comic book. Disappointed in the content and how it was presented.
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Reviewed in the United States on December 5, 2024
★★★★★ 5
Well-told, fascinating history of an important event.
Format: Hardcover
There are many books available about the D-Day Invasion of World War II. But because so many people were involved, there are endless ways for the story to be told. In addition, for the same reason, authors have to pick and choose what information to share, there is simply too much to share in any one book. Plus, no two authors tell the story in the same way. Thus, there is a place for Hopkinson's book on the subject. And she's done a fabulous job in sharing the information in a way that works for adolescent readers.
The book starts with the experience of a young man flying over France as one of the thousands of paratroopers proceeding the sea-based invasion. This makes for a great beginning as it pulls the reader right into the story. Following a brief description of what D-Day was and how the U.S. Army was organized (helpful for those with little military or World War II background), Hopkinson goes back and tells the story of the major events that led up to the invasion itself. The book is divided up into 7 parts as follows: The Plan, The Gods of War, Night Into Day, Utah, Omaha, Aftermath: More than Courage, Quartermaster's Department. Each section includes important information related to the general plans and some of the individuals involved in creating those plans. As this book is written for American youth, it focuses on the two invasion sites that the Americans helped invade, the beaches code named Utah and Omaha. I especially appreciated the widespread use of quotes and experiences from individuals who were there. The story feels more real when one reads the words of an actual person. The inclusion of 'dispatches' and 'Reader's Invasion Briefings' helped create context in relation to specific issues that came up during the invasion.
All in all Hopkinson has created a compelling account of a day that changed the world forever. A day that young history buffs will want to know about. This is a book that would be easy to recommend to young readers who want a glimpse into the experiences of those involved in both the planning and executing of D-Day.
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Reviewed in the United States on October 3, 2018