Soma Double Cross Disc Frame - Purple


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Frame Size
Product number: 910004
Manufacturer: Soma Fabrications
Manufacturernumber: 910004
Directly available: 0
Product information "Soma Double Cross Disc Frame - Purple"

The Soma Double Cross is a great 'do-all' frame. Ready for cyclo-cross, trail-riding, commuting and some loaded touring. The Double Cross Disc is disc brake-specific. 



  • ED coating inside tubes to prevent rust
  • Optional matched-color fork: Straight blade unicrown CrMo steel CX fork with triple bosses to fit cargo cages or low rider pannier rack. Other compatible Soma forks:
    •  Lugged, curved blade CX fork double eyelets at fork ends and low rider rack braze-ons(black)
    • All-Road Carbon fork (black)
    • Champs Elysees Trekking Disc low trail conversion fork (chrome)
    • As before, the fork is optional.
  • Clearance for 700c x 45mm tires (40c w/fenders. Some front derailleurs may reduce this clearance) and 650b x 47mm (We recommend 650b (27.5") wheels for the 42cm size to reduce toe-wheel overlap
  • Rear hub spacing is 135mm
  • 1-1/8" headtube (fits EC34/28.6|EC34/30 headsets)
  • Three sets of water bottle bosses
  • 10 sizes: 42cm to 62cm, ... plus 66cm
  • 2 kg. (52cm)
  • Color: Matte Purple

Double Cross 2021 Changes

  • Head angle is half a degree to one degree slacker, which puts the trail number at about the same as mid-90's XC bike. Chainstay length remains the same to keep things agile.
  • Bottom bracket drop is 4mm lower on most sizes. ( The largest sizes keep the 66mm drop in case long-legged cyclists want to run 180-185mm crank arms.)
  • New color matched fork: We wanted to add 3-pack mounts and a simple unicrown fork design clashed less those mounts than the previous lugged crown, curved blade design. We specced a smaller diameter Infinity tube than our aftermarket straight blade CX fork. It is stiffer and lighter than the lugged crown fork. It will fit a pannier rack too, just not with cargo cages mounted.
  • Added a third water bottle boss to the downtube. This used to be as unfashionable as having a kickstand, but thankfully no longer.
  • Slightly more stack on some sizes.
  • We debated whether to jump to thru-axles, 44mm headtube and flat mount brakes. We even asked for your opinions on social media. We decided to run with the tried and true standards (QR hubs, IS disc) for at least one more generation. This allows for customers to use parts in their garage and just allows for a lighter, more nimble bike.
  • We ovalized the top tube so it is wider than tall. It is better for shouldering the bike in cyclo-cross, but we mainly did it to eek out some torsion stiffness in the front triangle.
  • It has more peripheral clearance for 650b x 47mm tires. Will fit up to 700c x 45mm tires with 1x drivetrain.