Chromag Primer Frame 2021Prime Time RidingMany mountain bike frames are becoming more versatile. They are able to run both 29" and 27. 5+ tires. The Chromag Primer Frame is built with geometry designed for aggressive all-mountain riding. It features short chainstays, lower than ever BB height, a steep seat tube with a slack head angle, a low stack headtube, and a long front center. The 4130 steel frame is designed for 150 to 170mm of travel, features Boost spacing, and has tire clearance for up to 2. 9 x 2. 5" or 27. 5 x 3. 0" tires. Features4130 steel frame because steel is real!Wide tire clearance for 29 x 2. 5" or 27. 5 x 3. 0" tiresAggressive geometry with short chainstays, low BB, steep seat tube, and slack head angleDesigned for 150mm to 170mm of travelSPECIFICATIONSFrame4130 SteelWheel Size29", 27. 5+Fork150 - 170mmRear Shock-Headset IncludedNoHeadtube Diameter1. 5" Tapered, 44-56 Semi-IntegratedFront Derailleur TypeNopeBottom Bracket TypePF92Seatpost Diameter31. 6mmSeat Clamp35mmDropout Style12 x 148mm BoostAccessory Mounts1 Bottle MountCable routingExternalIntended UseTrail, All-MountainWeightTBDNote: Components are subject to change without notice. METRICINCHChromag PrimerSizeSmallMediumMedium/LargeLargeExtra LargeA: Seat Tube Length368406431456494B: Effective Top Tube578603622648667C: Stack630630639648657D: Reach421446463487503E: BB Height320320320320320F: BB Drop50. 850. 850. 850. 850. 8G: Head Tube Length9595105115125H: Head Tube Angle64 Adeg64 Adeg64 Adeg64 Adeg64 AdegI: Seat Tube Angle76 Adeg76 Adeg76 Adeg76 Adeg76 AdegJ: Standover Height677714738762799K: Chainstay Length420420420420420L: Wheelbase11771202122312511272Suggested Rider HeightFrame SizeSmallMediumMedium/LargeLargeExtra LargeRider Height5'1" - 5'5"5'4" - 5'8"5'7" - 6'0"5'11" - 6'3"6'2" - 6'6"Chromag PrimerSizeSmallMediumMedium/LargeLargeExtra LargeA: Seat Tube Length14. 516. 017. 018. 019. 4B: Effective Top Tube22. 823. 724. 525. 526. 3C: Stack24. 824. 825. 225. 525. 9D: Reach16. 617. 618. 219. 219. 8E: BB Height12. 612. 612. 612. 612. 6F: BB Drop2. 02. 02. 02. 02. 0G: Head Tube Length3. 73. 74. 14. 54. 9H: Head Tube Angle64. 0 Adeg64. 0 Adeg64. 0 Adeg64. 0 Adeg64. 0 AdegI: Seat Tube Angle76. 0 Adeg76. 0 Adeg76. 0 Adeg76. 0 Adeg76. 0 AdegJ: Standover Height26. 728. 129. 130. 031. 5K: Chainstay Length16. 516. 516. 516. 516. 5L: Wheelbase46. 347. 348. 149. 350. 1Suggested Rider HeightFrame SizeSmallMediumMedium/LargeLargeExtra LargeRider Height5'1" - 5'5"5'4" - 5'8"5'7" - 6'0"5'11" - 6'3"6'2" - 6'6" | Chromag | Primer Frame 2021 | Matte Red | Medium | Steel