An indoor bicycles 5, wherein {HEAD ~ bearings} are located between said first axle and said first aperture and between {TAIL ~ said second axle} and said second aperture 
are located between
An indoor bicycles 5 , wherein { HEAD ~ bearings } are located between said first axle and said first aperture and between { TAIL ~ said second axle } and said second aperture
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH