Bobsleigh or Bobsled is a winter sport in which teams of 2 to 4 athletes make timed runs down narrow, twisting, banked, iced tracks in a gravity-powered sleigh. Although bobsleighs once were ridden by five or six, crews were reduced in the 1930s to either two or four people.

The sled must weigh a minimum of 162 kg (357 lb) without the athlete (but including timing equipment and any ballast weights) and a maximum of 247 kg (545 lb) including the athlete; runners are the same as for two-person bobsleighs. International bobsleigh competitions are governed by the International Bobsleigh and Skeleton Federation (formerly the FIBT). BOBSLEI Ⅱ(Cold and Hot water available) type :Chrome Chrome Features : Possible to adjust water pressure and temperature, general washing, female washing, sliding type nozzle ii) Differentiation and Superiority among same product group Generally bidets are environmental products which reduces resource waste, and it reduces the cost of waste disposal that come out from Restroom by using less toilet paper. Individual runs down the course, or "heats", begin from a standing start, with the crew pushing the sled for up to 50 metres (160 ft) before boarding; though the pilot does not steer, grooves in the ice make steering unnecessary until the sled leaves the starting area. Although sledding on snow or ice had long been popular in many northern countries, the origins of bobsleighing as a modern sport are relatively recent.Starting with the 2020–21 season, competitors in IBSF-sanctioned races must use articulated (two-section) monobobs manufactured by the IBSF's sole source sled builder, iXent. Examples include medal-winning bobsledders Eugenio Monti and Pavle Jovanovic, who died by suicide; Steven Holcomb died of an overdose. Germany and Switzerland have proven the most successful bobsleighing nations, measured by overall success in European, World, World Cup, and Olympic championships. Since 2013, three North American former bobsledders have taken their lives, another attempted it, and two others died of overdoses; this is far over expectation of the group from chance, as only a few hundred athletes participate seriously in bobsled and other sliding sports such as luge and skeleton at any one time.

Prior to the 2020–21 competitive season, monobobs were traditionally constructed on one-piece chassis.He took action because he did not want to make enemies in the town, and he had worked hard and invested a lot of time and money in popularizing wintering in St. The pilot does most of the steering, and the brakeman stops the sled after crossing the finish line by pulling the sled's brake lever. While poor form during the initial push can lose a team the heat, it is otherwise rarely, if ever, decisive.

The only exception was the 1960 games in Squaw Valley, when the organizing committee decided not to build a track to reduce costs.

Nowadays the maximum weight, including crew, is 630 kilograms (1,390 lb) (4-man), 390 kilograms (860 lb) (2-man), or 340 kilograms (750 lb) (2-woman), which can be reached via the addition of metal weights. However, because women are on average lighter than men (and thus at a competitive disadvantage in a gravity sport), and because most sliding nations have fewer women able to compete than men, this option has not proved popular with teams. Women were confirmed as being able to compete in any four-"man" bobsleigh event, as from 25 September 2014, either as part of a mixed-sex team or an all-female team.

At the Olympic Winter Games and World Championships, all competitions (for both men and women) consist of four heats. Bobsledders who train frequently have reported issues such as chronic headaches, a heightened sensitivity to bright lights and loud noises, forgetfulness, a "mental fog", and psychological problems.Local sentiment about these informal competitions varied, but eventually complaints grew so vociferous that Badrutt had to do something. Repeated mild brain trauma has caused issues for boxers, rugby players, and football players with chronic traumatic encephalopathy, and fears have arisen that bobsledding carries a similar danger, at least with the steeper and faster courses used in competitions.