
( Brand: Shimano ), ( Manufacturer Part Number: R7120 ), ( Number Of Speeds: 12 Speed ), ( Shifter Style: Hydraulic ), ( Compatible Bike Type: Road Bike ), ( Part Type: Groupset )
The Shimano R7100 105 12 Hydraulic Groupset is a premium component system designed for road cyclists seeking a balance of performance, reliability, and affordability. This groupset is part of Shimano's 105 series, which is known for its high-quality components at a mid-range price point.
The Shimano R7100 12-speed cassette offers a wide range of gears, from 10-34 teeth, ensuring smooth pedaling and efficient power transfer across various terrains and gradients. The rear derailleur, R7000-GS, is designed with a Shadow RD technology, which reduces the risk of chain slap and improves shifting accuracy.
The Shimano R7100 105 hydraulic brake system features dual-pivot calipers for superior stopping power and modulation. The brake levers, R7020, are ergonomically designed for precise and comfortable braking, even in extreme conditions. The brake fluid used is DOT 4, which provides excellent heat resistance and longer service life.
The crankset, R7000, is available in both 50/34T and 52/36T chainring configurations. It features Hollowtech II technology, which reduces weight and increases stiffness for optimal power transfer. The crankset is also compatible with Shimano's SM-BSR61 Hollowtech II bottom bracket, ensuring a secure and efficient connection to the frame.
The Shimano R7100 105 12 Hydraulic Groupset is built to last, with durable materials and precise manufacturing processes. The shifters, R7100-SS, are designed with a 2-way release mechanism, allowing for quick and precise shifting even under heavy load.
In summary, the Shimano R7100 105 12 Hydraulic Groupset is a complete and high-performance component system that caters to the needs of serious road cyclists. It offers a wide range of gears, powerful and modulated braking, and a stiff and efficient crankset, all wrapped in Shimano's reputation for reliability and durability.
Pros of Shimano R7120 105 12 Hydraulic Groupset:1. Superior Braking Performance: The hydraulic disc brakes provide powerful and consistent stopping power in all weather conditions.
2. Shift Quality: Shimano's 12-speed drivetrain offers smooth and precise shifting, allowing for efficient pedaling in various terrains.
3. Durability: Shimano components are known for their durability and reliability, ensuring long-lasting performance.
4. Affordability: Compared to higher-end groupsets, the 105 is a more affordable option without compromising on quality and performance.
Cons of Shimano R7120 105 12 Hydraulic Groupset:1. Weight: The hydraulic disc brakes and 12-speed drivetrain make the groupset heavier than some mechanical options, potentially affecting bike handling and speed.
2. Compatibility Issues: The 12-speed drivetrain may not be compatible with older bikes or components, requiring additional upgrades.
3. Maintenance: Hydraulic brakes and drivetrains require more frequent maintenance than mechanical counterparts.
Conclusion:The Shimano R7120 105 12 Hydraulic Groupset offers superior braking performance, smooth shifting, and durability at an affordable price. However, it may be heavier than some alternatives and may require compatibility upgrades and more frequent maintenance. Considering these factors, the Shimano R7120 105 12 Hydraulic Groupset is an excellent choice for cyclists seeking high-performance components without breaking the bank.
The model R7120 is specifically designed for durability and longevity, ensuring that it will withstand the rigors of regular use. The 12-speed configuration allows for a wider range of gears, giving you the flexibility to tackle any terrain. Built up the bike went on a couple rides and didn't like so I'm selling groupset. Crafted by the renowned brand Shimano, this groupset is a must-have for any serious cyclist.
Elevate your cycling experience with the Shimano 105 12 Speed R7120 Groupset. This top-of-the-line groupset is designed for smooth and efficient shifting, providing you with a seamless ride. I bought this groupset brand new for a bike build.