Item Tag: 52 mm

Chris King PHS816 Seal and Snap Ring Kit 52mm Bearing

New in marked/damaged packaging. Includes only what is shown. Where applicable, buyer is responsible for verifying compatibility by checking part numbers, serial numbers, or other identifying information. Message before purchasing if unsure. Returns will not be accepted for mistakenly ordering the wrong thing. Used items are sold as-is.

Chris King DropSet 5 Headset – 1-1/8″ 42/52mm 45 Deg Gold / Black

The Chris King DropSet 5 Headset is a high-quality bicycle component designed for 1-1/8″ steerer tube diameter. The black headset features a 45 degree angle and a 52mm diameter, making it a stylish and durable choice for cyclists looking to upgrade their bike’s performance. With the reputable Chris King brand behind it, this headset is sure to provide a smooth and reliable ride for any cycling enthusiast.

NEW Phantom 85 V4 – Complete 2 Stroke Motorized Bicycle Engine Kit

NEW V4- now with 2 piece cylinder design for more power and better cooling! New Phantom 85 Features Include:52mm Bore, 40mm Stroke – Actual U.S. engine displacement: 85cc2 piece cylinder and head (Lower operating temps, increased rider weight capacity, improved power output across varied rpm range)High performance Speed carbCeramic lined cylinder (Significantly improves cylinder durability, reduces friction, lowers operating temps, increases performance)All new ultra-quiet exhaust pipeOversized exhaust portHigh performance CDI with Yamaha componentsPerformance magnetoHigh end allen boltsImproved gas cap ZTMOTO Phantom 85 Complete Engine Kit Includes:85cc v4 2 stroke engine with 2 piece cylinder and headCNC intakeNeedle bearing for piston wrist pinHigh performance Speed carbPerformance magnetoStainless steel allen boltsBetter balanced crankUpgraded bearings / 60% thicker crank case around bearingsStuffed crank caseLarge intake port (40mm bolt hole width)Oversized round exhaust port – 28mm diameter, 60mm stud spacing40mm crank stroke (more powerful, efficient, and reliable)Long rod (89mm)Larger 8mm x 1.25 engine mount studsApproximate engine dimensions: 9″ x 9″ x 5″ Mounting Kit & Accessories Included:High performance CDI with Yamaha componentsBlack tear drop gas tank (2L) w/ new fuel cap, fuel valve, fuel filter, and fuel line415 Heavy duty chain with chain guardBall bearing chain tensionerUltra quiet muffler (Stainless steel with sound insulation cotton inside)Throttle assembly w/gooseneck style throttle cableTwist throttle and cable with matching grip and kill switchNew quick release clutch handleLarge front mount for bicycles that have large down tubesAvailable with 36, 44, or 48 tooth rear sprocketSpark plug socket tool and gear removal tool Fuel/Oil RatioNew Engine (<310 miles): 20:1After Break In: 25:1

ZTMoto 85 V3 – FULL KIT 52mm Bore 2 Stroke Motorized Bike Engine Kit

**Engine Specifications:** – **Displacement:** 85cc with a 52mm bore and 40mm stroke – **Cylinder & Head:** One-piece design for improved power output, lower operating temperatures, and increased rider weight capacity – **Carburetor:** High-performance Speed carburetor for enhanced fuel delivery – **Reed Valve:** Controls air-fuel mixture for optimized performance – **Cylinder Lining:** Ceramic lining for durability, reduced friction, and lower operating temperatures – **Exhaust:** New ultra-quiet exhaust pipe with an oversized exhaust port – **Ignition System:** High-performance CDI using Yamaha components, paired with a performance magneto – **Fasteners:** Equipped with high-end stainless steel Allen bolts for added durability – **Additional Features:** Includes an improved gas cap **Complete Engine Kit Includes:** – **Engine:** 85cc 2-stroke engine with integrated cylinder and head – **Reed Valve Intake:** Enhances air intake efficiency – **Bearings:** Upgraded needle bearing for piston wrist pin and thicker crankcase with reinforced bearings – **Crankshaft:** Balanced crank with a stuffed crankcase, featuring a 40mm crank stroke for better power, efficiency, and reliability – **Piston:** Double window piston paired with a long 89mm rod – **Ports:** Large intake port with a 40mm bolt hole width and an oversized round exhaust port (28mm diameter, 60mm stud spacing) – **Mounting Studs:** Engine comes with larger 8mm x 1.25 engine mount studs – **Dimensions:** Engine measures approximately 9″ x 9″ x 5″ **Mounting Kit & Accessories:** – **Ignition System:** High-performance CDI with Yamaha components – **Fuel Tank:** 2L black tear-drop gas tank, complete with a new fuel cap, fuel valve, fuel filter, and fuel line – **Chain:** Heavy-duty 415 chain with an included chain guard – **Chain Tensioner:** Ball bearing chain tensioner for smooth operation – **Muffler:** Ultra-quiet stainless steel muffler with sound insulation cotton inside – **Throttle Assembly:** Includes a gooseneck-style throttle cable, twist throttle, matching grip, and kill switch – **Clutch Handle:** Quick-release clutch handle for easy operation – **Mounting Options:** Large front mount to accommodate bicycles with large down tubes – **Sprocket Options:** Available with 36, 44, or 48 tooth rear sprocket – **Tools Included:** Spark plug socket tool and gear removal tool Compare with: phantom 85 motorized bike kit **Fuel/Oil Ratio:** – **Break-In Period (First 310 miles):** 20:1 – **Post Break-In:** 25:1