Topstone

Coverage and geometry ranges

Eligible coverage spans 2026–2026 across 1 published releases.

Recorded ranges

• actualTopTube: 510–574
• actualTrail: 67–73
• agilityIndex: 66.03–74.73
• bbDrop0: 74–79
• bbHeight: 278.7 mm–283.7 mm
• bikeSize: 47–61
• csLength0: 420
• effectiveTopTube: 532 mm–593 mm
• engineUsedFrontTireSize: 46.7–48.5
• forkLength: 428.9 mm
• forkMaxTireClearance: 56
• forkOffset: 55 mm
• forkTravel: 0
• frontCenter: 601.3 mm–659.5 mm
• frontCenterRef: 601–659
• handlingIndex: 62–69
• headTubeAngle: 69.9 °–70.7 °
• headTubeLength: 97 mm–196 mm
• manufacturerTrail: 67–73
• maxRearTireSize: 52
• mechanicalTrail: 63.2–68.5
• reach: 363.7 mm–396.9 mm
• reachRef: 364–397
• rearCenter: 412.5 mm–413.4 mm
• rimDiameter: 622
• seatTubeAngle: 73.1 °
• seatTubeC2T: 410 mm–590 mm
• seatTubeSetback: 119.2–171.5
• stabilityIndex: 70.48–75.54
• stack: 554 mm–645.6 mm
• stackRef: 554–646
• standoverHeight: 727.3 mm–862.4 mm
• standoverRef: 716–864
• wheelbase: 1008.6 mm–1068.7 mm
• wheelbaseRef: 1009–1069
• wheelFlop: 20.9 mm–23.6 mm