Our Boost standard Primal frame version for 27.5”+ or 29” wheels from 2016-2017 production years.
Boost 148x12mm rear hub spacing increases stiffness and aid wheel strength and the lowered bottom bracket and top tube aid standover and stability.


Frame size: Small, Medium, Large
Wheel size: 27.5"+ or 29"
Recommended fork travel: 120-150mm
Hub size: 148x12mm
Headset type: IS42/IS52
BB type: BSA/ISO 73mm
Brake mount: IS
Max. rotor size: 180mm
Max. tire size: 27.5x3.0" or 29x2.3"
Front derailleur compatibility: no
Seat post diam.:30.9mm
Seat clamp diam.: 34.9mm
Weight: Small (17”) - 2.25kg, Medium (18”) - 2.30kg, Large (19”) - 2.35kg.


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