Schlein was signed by the Edinburgh Monarchs in 2001 and won the Conference League championship that year while on loan at Sheffield Tigers.

Also in 2011, he joined Belle Vue again[6] and won the Elite League Riders' Championship, held at Abbey Stadium on 15 October.

[9][10] In May 2015, Schlein was seriously injured while riding for Orzeł Łódź in Poland, breaking two vertebrae and damaging his lung and kidney, ending his season and initially with concern that he could be paralysed.

[13] He returned to ride for King's Lynn Stars in 2016, but missed part of the early season with a shoulder injury, and after struggling to score well was dropped in August.

[15] He was part of the Somerset Rebels team that won the SGB Championship Fours, which was held on 23 June 2019, at the East of England Arena.