#machined aluminum member to form the #swing-arm pivot element, rather than extending 

#underneath as a stressed member. What made #the HB2 different was that it used a 

#machined aluminum member to form the #swing-arm pivot element, rather than extending 

#What made the HB2 different was that it used a #machined aluminum member to form the swing-arm pivot#element, rather than extending the steel tubes #to do the same job, as then-current chassis 

#element, rather than extending the steel tubes #to do the same job, as then-current chassis #What made the HB2 different was that it used a #machined aluminum member to form the swing-arm pivot

80s. As usual, the #chassis was constructed from steel tubes in trellis form, hanging the engine #underneath as a stressed member.#What made the HB2 different was that it used a #machined aluminum member to form the swing-arm pivot

#What made the HB2 different was that it used a #machined aluminum member to form the swing-arm pivot

#What made the HB2 different was that it used a #machined aluminum member to form the swing-arm pivot