Marino Rockbiter (Model year: 2023)
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Trail/XC singlespeed bike inspired by geometry of Newhaus Hummingbird and Chumba Sendero 450mm reach 605mm stack 44mm headtube, 100mm length 60mm BB drop 612mm ETT STA: adjust as needed for ETT and rear tire clearance 420-435mm chainstay length with sliding dropouts. 148mm hub spacing. clearance for 29x2.6" rear tire, 755mm diameter. 65mm tire width [tire this size may require backward adjustment by sliders for adequate clearance, which is fine. actual adjusted CSL might be 425-430mm] crank arm spacing is 150mm between inside ends of arms; chainstay outside width must clear 170mm cranks; chainstay plate should clear a 34t chainring with 52mm chainline. I can adjust chainring spacing or use a smaller ring if needed. Frame is designed around a 495mm rigid fork with 49mm offset. Optional 120mm fork with 525–530mm a-c length and 51mm offset.