Bergamont Helix 1.5i

The "Helix 1.5i" model from Bergamont, released in 2024, is a versatile bicycle suitable for both everyday use and longer rides. The bike’s frame is made from a lightweight AL-6061 tube set and is designed for 28-inch wheels. The maximum load capacity is 120 kg, which indicates a robust construction.

The bike is suitable for riders between 162 cm and 176 cm in height. Both the front and rear brakes are alloy V-brakes, operated by Shimano ST-EF41 brake levers. The gear system is controlled by a Shimano RD-TX800 rear derailleur and Shimano ST-EF41 shift levers, offering a 3x7-speed combination. The front derailleur is also a Shimano FD-TX800, ensuring precise and reliable gear changes.

The Helix 1.5i features a rigid steel fork, which provides stable and direct steering. The bottom bracket is a Shimano BB-UN101 (BSA), whilst the crankset consists of a Shimano FC-TY301 with 48/38/28 teeth and a chain guard. The cassette is a Shimano MF-TZ500 with 14–28 teeth, and the drivetrain is secured by a KMC Z7 chain.

The handlebars are 640 mm wide alloy riser handlebars, which, together with the Syncros Urban lock-on grips, ensure comfortable handling. The stem is also made of aluminium and has an angle of +/-8 degrees. The headset is a BGM FP-H807B, A-Headset, semi-integrated with a size of 1 1/8 inches.

The bike’s rims are Shining A-M4, which are designed for disc brakes. The tyres are Kenda K-180 in size 38-622, fitted to both the front and rear. The hubs are BGM Comp fitted with quick-release skewers, allowing for quick wheel changes. The saddle is a Syncros M3.0 and the seatpost is made of aluminium.

The bike has a gross weight of 16,300 g and offers a range of ergonomic and geometric advantages. The reach is 384 mm and the stack is 572 mm. The seat tube length is 480 mm, whilst the top tube length is 564 mm. The head tube angle is set at 71 degrees and the seat tube angle at 73 degrees. Other dimensions include a head tube length of 140 mm, a chainstay length of 456 mm, a bottom bracket drop of 56 mm, a fork offset of 48 mm, a top tube height of 770 mm, a fork installation height of 420 mm and a wheelbase of 1068 mm. The bottom bracket height is 295 mm.

Overall, the Bergamont Helix 1.5i M offers a well-thought-out design with high-quality components that ensure a comfortable and reliable ride.