Radon SPIRE 9.0

The "SPIRE 9.0" model from the Radon brand offers an impressive combination of advanced technology and high-quality equipment at a price of EUR 3499. The frame of the bike consists of the SPIRE model, which is known for its lightness and stability. Weighing just 7kg, this bike is one of the lighter models on the market, making it particularly attractive for ambitious riders.

The brakes on the SPIRE 9.0 are Shimano ULTEGRA BR-R8170 flat-mount brakes, which are known for their reliable braking performance. The bike's drivetrain is a Shimano ULTEGRA Di2 RD-R8150 with 12 gears, which ensures precise and fast gear changes. The shift levers are also from Shimano, the ULTEGRA Di2 ST-R8170 model, and offer 2x12-speed shifting. The front derailleur is the Shimano ULTEGRA Di2 FD-R8150 in the Braze-on version, which ensures clean and efficient shifting performance.

The fork of the SPIRE 9.0 is made entirely of carbon, which reduces the weight and ensures excellent riding stability. The bottom bracket is a Shimano SM-BB71-41B in the press-fit version, which ensures optimum power transmission. The crankset consists of the Shimano ULTEGRA FC-R8100 with a gear ratio of 50/34T, ideal for various riding conditions.

The handlebar is the Newmen Advanced Carbon Wing Bar with a diameter of 31.8 mm, which impresses with its low weight and ergonomic shape. The grips are equipped with RADON Performance Tape, which ensures a secure and comfortable grip. The stem is a Newmen Evolution 318.4, also with a diameter of 31.8mm, and provides a stable connection between the handlebars and frame.

The bike's headset is a VP IS42/IS52, which ensures precise steering movements. The tyres are Continental Grand Prix 5000 in size 28" x 28mm, which are known for their excellent grip and durability. The wheelset consists of Fulcrum Racing 400 DB with axle dimensions of 100/142mm, which offer an optimum balance between weight and stability.

The saddle of the SPIRE 9.0 is a Selle Italia SLR Boost TM Superflow, which is appreciated for its high level of comfort and ergonomics. The seatpost is a Newmen Advanced Carbon with the dimensions 27.2 x 350mm, which further reduces the overall weight and provides additional comfort.

Overall, the Radon SPIRE 9.0 offers excellent value for money with high-quality components and well thought-out features that are suitable for ambitious amateur riders and professionals alike.