Position One Micro Product Overview The Position One Micro is an entry-level BMX racing bike engineered for young beginners with race-proven geometry from Chase BMX. Featuring a 6061 T6 alloy frame, full chromoly fork, sealed hubs, and components from KMC and Vee Rubber, it delivers authentic racing performance at minimal weight for competitive youth riders starting their racing journey. Key Features Chase BMX Race-Proven Geometry — Frame design validated through professional racing success, delivering responsive handling and gate-start performance optimized for young riders 6061 T6 Alloy Frame — Lightweight aluminum construction provides strength and responsiveness without excessive weight, enabling young riders to develop proper technique Integrated Reducer Sealed Bearing Headset — Precision sealed bearings with 1-1/8" outer and 1" inner taper reduce friction and eliminate maintenance while improving steering responsiveness Full Chromoly Fork — Durable chromoly construction withstands youth racing impacts while providing responsive steering feel and proven reliability Compact Geometry — 16.15" top tube and 2.25" bar rise optimized for smaller frame sizes and young rider proportions Race-Tuned Component Selection — Complete assembly from respected brands (KMC, Vee Rubber) ensures consistent performance and durability across all riding conditions 36x16 Gearing Ratio — Lower sprocket ratios optimized for developing racers, providing appropriate power delivery for youth riders on standard track geometry Double-Wall Rims — Reinforced 18x1" rim construction improves durability and lateral stiffness for reliable performance under youth racing loads Sealed Bearing Hubs — 24-hole front and rear sealed hubs reduce friction and provide long-term reliability with minimal maintenance KMC Z33 Chain — Proven single-speed chain design delivers reliable power transfer and durability for youth racing applications Vee Rubber Speedster Tires — Competitive youth-grade tires provide predictable grip and rolling efficiency for track racing Ultra-Lightweight Assembly — 6.79kg (14.97 lb) complete bike weight enables responsive acceleration and easy maneuverability for young racers Compact Component Sizing — 2.25" handlebar rise, 92mm grips, and 140mm cranks proportioned for young rider comfort and control Technical Specifications Frame Material: 6061 T6 aluminum alloy Frame Geometry: Integrated headtube, 1-1/8" outer, 1" inner, race-proven angles Frame Size (Micro): 16.15" top tube, 10.85" chain stay min, 71° head angle, 69° seat angle Fork: Full 4130 chromoly, 1" steerer tube Handlebar: 2.25" rise, 20" width, 8° back sweep, 2° up sweep Stem: Top-load 40mm, 6061 T6 aluminum Headset: Integrated reducer sealed bearing (1-1/8" outer, 1" inner for 1" steerer) Cranks: 3-piece, 140mm alloy arms, chromoly chain ring bolts Bottom Bracket: 113mm sealed bearing square taper Chainring: 36-tooth, 5-bolt, 110mm BCD, 1/2"x3/32" Chain: KMC Z33, 1/2"x3/32" Cog: 16-tooth Gear Ratio: 36x16 Pedals: Platform polypropylene, 9/16" Grips: 92mm soft single-ply without flange Seat Post: Mini combo 25.4mm Seat Post Clamp: Aluminum single-bolt Rims: Double-wall 24-hole, 18x1", both wheels, presta valve Hubs: 24-hole, double contact seal bearing, 3/8" axle Spokes: 14-gauge steel, brass nipples Front Tire: Vee Rubber Speedster 18x1" Rear Tire: Vee Rubber Speedster 18x1" Tubes: 18x1" presta valve Brakes: Alloy micro/mini lever, alloy rear cantilever 95mm arm Total Weight: 6.79kg (14.97 lb) without pedals Recommended Rider Height: 3'3" - 3'9" (1m - 1m15) Warranty Frame: 1-year manufacturer warranty against defects Components: 6-month manufacturer warranty against defects Exclusions: Stripped bolts, loose bolts causing improper tolerances, and damage from improper riding or crashes void warranty Note: Bikes must be originally assembled by authorized dealer from purchase date to comply with warranty program Compatibility and Ideal Use Cases Complete ready-to-ride BMX racing bike requiring minimal assembly. Compatible with standard 9/16" pedals and 1/2"x3/32" single-speed chains. Ideal for beginning youth racers, young competitors aged 5-7 years, and those seeking authentic track geometry at minimal weight. Suited for first-time racers, youth racing programs, and facilities providing entry-level bikes for developing talent. The ultra-lightweight construction and compact geometry enable young riders to develop proper technique and confidence on the track. Recommended as an ideal introduction to competitive BMX racing for the youngest age category. GEOMETRIES FRAME SIZE TT CS min LR AF SA HT SPL BBH WHEELS Micro 16.15 - 410.21 mm 10.85" - 275.6 mm 1.8" - 46 mm 71° 69° 4" - 100 mm 8" - 203.5 mm 9.10" - 231.14 mm 18×1" Mini 17.25" - 438.15 mm 12.5" - 317.5 mm 1.8" - 46 mm 72° 70° 4" - 100 mm 8.65" - 219.71 mm 10.6" - 269.24 mm 20×1-1/8" Junior 19" - 482.6 mm 13" - 330.2 mm 1.8" - 46 mm 73° 72° 4" - 100 mm 8.75" - 222.25 mm 10.6" - 269.24 mm 20×1-1/8" Expert 19.5" - 495.3 mm 13.25" - 336.55mm 1.8" - 46 mm 74° 72° 4" - 100 mm 8.75" - 222.25 mm 11" - 279.4 mm 20×1-3/8" Pro 20.5" - 520.7 mm 14.25" - 361.95 mm 1.8" - 46 mm 74° 72° 4.33" - 110 mm 9.25" - 234.95 mm 11" - 279.4 mm 20×1.75" *NOTICE: Once a complete bike ships the order can not be refunded or returned. ALL Sales of Complete Bikes are FINAL.*