Radon SPIRE 8.0
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The "SPIRE 8.0" model from Radon is a high-quality road bike designed for discerning cyclists. Priced at €2,599, it offers excellent value for money. The frame of the SPIRE 8.0 is made from the robust and lightweight SPIRE material, which reduces the bike’s total weight to just 8 kg.
The bike’s braking system is fitted with Shimano 105 BR-R7170 flat-mount brakes, which ensure reliable braking power and safety. The Shimano 105 Di2 RD-R7150 system is used for the gears, enabling precise and fast 12-speed shifting. The shift levers are also from Shimano (105 Di2 ST-R7170) and offer a 2x12-speed configuration. The front derailleur is the Shimano 105 Di2 FD-R7150, which ensures smooth gear changes.
The SPIRE 8.0 features a SPIRE full-carbon fork, which not only reduces weight but also effectively dampens vibrations, thereby enhancing riding comfort. Pedals are not included, giving the buyer the freedom to choose their preferred pedals. The bottom bracket is the Shimano SM-BB71-41B Pressfit model, which ensures efficient power transfer.
The crankset consists of the Shimano 105 FC-R7100 with a 50/34T gear ratio, suitable for various types of terrain. The handlebars are the Newmen Evolution Wing Bar with a diameter of 31.8 mm, combined with RADON Performance Tape grips for optimum grip and comfort. The stem is also from Newmen (Evolution 318.4) and has a diameter of 31.8 mm.
The headset is a VP IS42/IS52 model, which ensures precise steering. The tyres are Continental Grand Sport Race, foldable and measuring 28" x 28mm, providing excellent traction and speed. The wheelset consists of Newmen Evolution SL R.32 wheels with 100/142 mm dimensions, ensuring stability and smooth running.
The saddle is a Selle Italia Model X Superflow, renowned for its comfort and ergonomics. The seatpost is a Newmen Evolution measuring 27.2 x 350 mm, which provides additional stability.
Overall, the Radon SPIRE 8.0 offers an impressive combination of performance, comfort and quality, making it an excellent choice for ambitious road cyclists.
Tests & Reviews
Equipment
| Brakes | Shimano 105 BR-R7170, flat mount |
| Frame | SPIRE |
| Drivetrain | Shimano 105 Di2 RD-R7150, 12-speed |
| Shift levers | Shimano 105 Di2 ST-R7170, 2x12 |
| Front derailleur | Shimano 105 Di2 FD-R7150, braze-on |
| Fork | SPIRE Full Carbon |
| Bottom bracket | Shimano SM-BB71-41B, Pressfit |
| Crankset | Shimano 105 FC-R7100, 50/34T |
| Headset | VP, IS42/IS52 |
| Handlebar | Newmen Evolution Wing Bar, Ø31.8mm |
| Grips | RADON performance tape |
| Stem | Newmen Evolution 318.4, Ø31.8mm |
| Saddle | Selle Italia Model X Superflow |
| Seatpost | Newmen Evolution, 27.2 x 350mm |
| Wheelset | Newmen Evolution SL R.32, 100/142 mm |
| Tires | Continental Grand Sport Race, foldable, 28" x 28mm |
| Pedals | not included |