Soma Frame Riff Blue (Belt-Drive)
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The Riff is our hardtail frame for 27.5″/650b wheels. It replaces the B-Side model. While the B-Side showed our tendency of keeping things old school, the Riff is modern without being trendy with the geometry and features. Tough Broski Sliding Dropouts allow you to go single-speed or geared or even run hub gears. Compatible with 12x142mm thru-axle hubs . A modified chainstay allows fitting even some double cranks with “plus size” 2.8″ wide tires without needing to invest in Boost parts. We even offer a belt-drive ready version. (*Belt-drive version works with regular chains as well)
– Tange Prestige heat-treated butted CrMo steel; butted CrMo rear end
– Geometry is optimized for 100mm travel 27.5″ forks and will handle 120mm forks great too
– Disc brakes only (ISO tabs)
– Standard or Belt-Drive compatible versions available (split for installing belt is on the seatstay.)
– IRD Broski Sliding Dropouts allows geared and single-speed builds with easy wheel removal
– These come ready for 142 x 12mm Thru-Axle hubs. (Can be converted to 135mm spacing for traditional QR hubs with IRD aftermarket inserts)
– S-bend seatstays and chainstays
– Rear rack and fender eyelets
– CNC-machined 44mm headtube: Will take 1-1/8″ steerers with a ZeroStack 44 headset or tapered steerers with a ZS44 upper assembly and external cup (EC44) lower assembly
– 31.6mm post size/34.9mm frt. der. size/34.9mm seat collar(not included), 400mm(or longer) post recommended.
– Dropper post cable routing runs on downtube and inside the seat tube
– 73mm bottom bracket (English threads);
– Recommended tire size: 27.5 x 1.95″ – 2.8”
– Color: Pelham Blue
– Wt: 5.35 lbs.
– Sizes: XS(38cm), SM(41cm), MD(44cm), LG(47cm)
