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SOMA - RIFF 27.5 FRAME

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 not following the latest trends, the Riff is pretty modern in geometry and features. Tough Broski Sliding Dropouts allow you to go single-speed or geared or even run hub gears. Also new is internal seat tube dropper post routing. 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. - 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 - 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/31.8mm frt. der. size/34.9mm seat collar, 73mm bottom bracket (English threads); 400mm+ post recommended - 135mm spacing for traditional QR hubs. Old school, yes, but upgradable to 142 x 12mm Thru-Axle with new inserts. - 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)

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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 not following the latest trends, the Riff is pretty modern in geometry and features. Tough Broski Sliding Dropouts allow you to go single-speed or geared or even run hub gears. Also new is internal seat tube dropper post routing. 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. - 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 - 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/31.8mm frt. der. size/34.9mm seat collar, 73mm bottom bracket (English threads); 400mm+ post recommended - 135mm spacing for traditional QR hubs. Old school, yes, but upgradable to 142 x 12mm Thru-Axle with new inserts. - 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)

Ordering Soma Framesets

Soma frames are brought into NZ to order. Contact us for the next shipping date and availability of your chosen model and size.

About Us

Good Rotations is an independent online bikepacking and adventure cycling store.

If you are looking for a complete brevet or expedition setup, advice on gear, or help with finding the right bikepacking bag or dynamo system, we're here to assist.

Get in touch: hello@goodrotations.co