Straddle type vehicle brake system and straddle type vehicle

A brake system (6) includes: a front brake (31); a rear brake (41); a right brake lever (50) for operating the front brake (31); a left brake lever (60) for operating the rear brake (41); and brake pedal (70) for operating the front brake (31) and rear brake (41) such that the front brake (31) and rear brake (41) work in an interlocked manner.