Sunday Primer Park (20.5") 2025

The Primer is a serious starter bike at a seriously great price. The Primer Park model with a park specific geometry and an Odyssey Gyro G3 that is connected to a pro-level Odyssey M2 Trigger lever and pre-cut dual lower cables for better braking and easier maintenance. Built around a pro-level geometry in a range of top tube sizes, the Primer is spec’d with quality parts like Odyssey Springfield brakes and Path Pro tires. The Primer also includes a fully sealed rear cassette hub and proven parts like the Sunday Freeze Stem and an FSA Headset. Shops and riders everywhere know that the Primer is the bike to beat in this price range. Key FeaturesPark Specific GeometryOdyssey Gyro G3Odyssey Springfield BrakesOdyssey M2 Trigger Lever9t Sealed Cassette HubSunday Freeze Top Load StemSunday Cornerstone GripsOdyssey Path Pro OEM 2.4" TiresFSA HeadsetKMC S1 Chain SpecificationsFrame: Sunday Primer, 20.5" top tube, integrated 1-1/8" head tube Fork: Sunday Primer, 20" fork w/ 2-piece steerer tube