The all-new Mach 4 SL is designed to let World Cup level athletes capitalize on every inch of increasingly technical courses and generate speed where others hesitate. Our engineers have pushed the boundaries in every conceivable metric of cross country performance. It’s the lightest, fastest 100mm travel XC race bike we’ve ever developed. Go ahead, turn yourself inside out and leave it all out on the race course because the new Mach 4 SL leaves nothing on the table.


  • 100mm of renowned dw-link suspension tuned for XC race and trail performance
  • Designed to work with 100-120mm travel forks
  • Progressive XC geometry for the most demanding race courses
  • 29" wheels for the fastest laps and superior rollover in technical terrain
  • Large water bottle fits inside all size frames – even XS
  • Boost 12 x 148mm rear spacing
  • Available in sizes XS-XL for riders between 4'10" and 6'7"


SizeRider Height
XS4'10” - 5’4”
SM5’4” - 5’8”
MD5’8" - 5’11"
LG5’11" - 6’2"
XL6’2" - 6'7"