Soma Riff 27.5″ Frame, Small, Pearl White

– The version 2.0 of the Riff offers practical updates in features and geometry without going all-in with progressive geometry that almost everyone is chasing. Slightly steeper seat angle for more efficient climbing and shorter seat tubes to benefit dropper posts.
– ED coating inside frame and under the paint increase rust resistance
– Boost 148mm rear hub spacing
– Geometry is optimized for 120mm forks. Will work well with a 100mm fork, too.
– Tange Prestige heat-treated butted CrMo steel; butted CrMo rear end
– ISO disc brake tabs
– IRD Broski Sliding Dropouts
– S-bend seat stays and chainstays
– Rear rack and fender eyelets
– Dropper post cable routing runs on downtube and inside the seat tube
– 34.9mm seat collar(not included), 400mm post recommended
– CNC-machined 44mm headtube: Will fit 1-1/8″ steerers with a ZeroStack 44 headset or fit tapered steerers with a ZS44 upper assembly and external cup (EC44) lower assembly
– Recommended tire size: 27.5 x 1.95″ – 2.8”
– Only the Large size frame comes with bottle mounts on the seat tube
– 5.7 lbs (XS)

Model: Riff
Size: Small
Seat Tube (C-T): 390mm
Top Tube (Effective, C-C): 590mm
Chainstay: 427-442mm
Head Angle: 67.6 Deg
Seat Angle: 73.8 Deg
Headset: ZS44 / ZS44/EC44
Bottom Bracket: 73mm
Seatpost: 31.6mm