Ghost Nirvana 4X

The "Nirvana 4X" from Ghost, released in 2023, is a versatile and robust mountain bike available at a price of 1,499 EUR. The frame is made of aluminium, giving the bike a solid structure whilst weighing just 11 kg in total.

The Nirvana 4X’s specifications are designed for high performance and reliability. It features Shimano hydraulic disc brakes (BRMT410) with a 160 mm rear disc and an 180 mm front disc, operated by Shimano BLMT401 brake levers. The XFusion Slant 34 RC fork offers 100 mm of travel, ensuring a comfortable ride even on uneven terrain.

The bike’s drivetrain consists of a Shimano Deore FCM5100 crankset with a 30T chainring and a Formula 16T sprocket, complemented by a KMC Z51 chain. The bottom bracket is of the BSA type. The handlebars – a Ground Fiftyone Race with a diameter of 35 mm and a width of 780 mm – and the Ground Fiftyone stem, which is 45 mm long, provide stable and comfortable steering. The grips are WTB Wafel, ensuring additional comfort and grip.

The Nirvana 4X’s wheelsets consist of WTB ST Light i29 rims fitted with DT Swiss 2.0 spokes. The Maxxis DTH tyres, sized 26x2.30, offer excellent grip and stability on a variety of surfaces. The hubs are by Shimano: the HBMT400B (15x110 mm) at the front and the FHMT400B (12x148 mm) at the rear.

The saddle is a Selle Italia XBase, mounted on a JDSP20T seatpost with a diameter of 34.9 mm, secured by a GHOST seat clamp with a diameter of 38.0 mm.

The frame geometry is designed for agility and control, with a reach of 415 mm, a stack of 571 mm and a seat tube length of 340 mm. The top tube length is 561 mm, the head tube angle is 68 degrees and the seat tube angle is 75 degrees. The head tube is 120 mm long, the chainstays are 415 mm long and the bottom bracket is dropped by 28 mm. The standover height is 666 mm and the crank length is 175 mm. The bike’s wheelbase measures 1093 mm in total.

Overall, the Ghost Nirvana 4X offers a balanced blend of stability, comfort and performance, making it an excellent choice for ambitious mountain bikers.