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Soma Riff 27.5" Frame
Margin Booster
  • A true 27.5" frame featuring a longer top tube and slacker angles
  • Tange Prestige heat-treated butted CrMo main tubes
  • 12x142mm thru-axle (thru-axle included)
  • *44mm head tube for tapered steerer tubes (tapered steerer forks will require an EC44 lower headset cup, straight steerer forks can use a ZS44 lower cup)
  • Accommodates a 100/120mm travel fork (69 degree head angle with 100mm fork, 68 degree head angle with 120mm fork)
  • Fits up to 27.5 x 2.8" tires
  • International Standard disc brake mounts
  • Use 34.9 seat clamp and 400mm post recommended
  • Pelham Blue to match classic Gibson Les Paul guitars
  • 4.5 lbs (14.5")
  
item # size seat tube (C-T) top tube, effective (C-C) chainstay head angle seat angle headset bottom bracket seatpost front derail color in stock?
  SF4342    Oversized item:
expedited shipping
not available   		extra small 380mm 560mm 427mm 68.0 deg 73.5 deg ZS44|ZS44* 73mm 31.6mm 31.8mm pelham blue NO
  SF4343    Oversized item:
expedited shipping
not available   		small 410mm 585mm 427mm 68.0 deg 73.0 deg ZS44|ZS44* 73mm 31.6mm 31.8mm pelham blue NO
  SF4344    Oversized item:
expedited shipping
not available   		medium 440mm 610mm 427mm 68.0 deg 73.0 deg ZS44|ZS44* 73mm 31.6mm 31.8mm pelham blue NO
  SF4345    Oversized item:
expedited shipping
not available   		large 470mm 640mm 427mm 68.0 deg 73.0 deg ZS44|ZS44* 73mm 31.6mm 31.8mm pelham blue NO