Haibike SEET HardFour 1.0

The "SEET HardFour 1.0" model from Haibike, released in 2021, is a sturdy and affordable bike that is particularly well-suited to young riders. It is available at a price of 399 EUR and offers a range of technical features designed for reliability and ease of use. The frame is made from 6061 aluminium, giving the bike a robust yet lightweight structure. Weighing just 12 kg, it is easy to handle and manoeuvre. The maximum rider weight is 80 kg, which is sufficient for children and teenagers.

The brakes are XLC V-brakes, which, together with the adjustable aluminium levers, provide reliable braking performance. The gear system consists of a Shimano Tourney TY300 with 21 speeds, operated via Shimano RS36 twist shifters. The front derailleur is also a Shimano Tourney TY300, ensuring precise and smooth gear changes.

The bike is fitted with an SR Suntour M3010 fork, which offers 40 mm of travel and features a 1 1/8" steel steerer tube. This provides extra comfort on uneven terrain. The pedals are made from non-slip plastic, which enhances safety. The bottom bracket is a CH63-2 BSA model, whilst the crankset is made from aluminium and has 24–42 teeth.

The cassette is a Shimano TZ500 with 14–34 teeth, and the drivetrain features a KMC Z51 chain. The handlebars are a Haibike Components ‘The Bar Kids’ model with a width of 560 mm, whilst the grips are S-WAVE. The stem is a Haibike Components ‘The Stem Kids’ A-Head model with a bar bore of 25.4 mm and an angle of 15˚.

The headset is an A-Head 1 1/8", which contributes to stability and steering precision. The rims are XLC FREEWAY D-WALL hollow-chamber aluminium rims, which are renowned for their durability. The tyres are H-5129 Victory models, size 52-507, which offer good traction. The hubs are VR:KT A15F at the front and HR:KT A1ER at the rear.

The saddle is a Haibike Components TheSaddle Junior, which has been specially designed for younger riders and offers comfort. The seatpost is a Haibike Components TheSeatpost Patent model with a diameter of 27.2 mm and is also made of aluminium.

In summary, the SEET HardFour 1.0 from Haibike offers solid spec at an affordable price, making it an excellent choice for young riders looking for a reliable and user-friendly bike.