{"product_id":"wheel-master-20-alloy-bmx-rear-wheel-double-wall-9t-driver-bolt-on","title":"Wheel Master 20″ Alloy BMX Rear Wheel – Double Wall, 9T Driver, Bolt-On","description":"\u003cp\u003eThis Wheel Master 20-inch BMX rear wheel is a durable, service-friendly replacement for BMX and freestyle bikes using rim brakes and a single-speed drivetrain. Built with a double-wall alloy rim and a 9-tooth driver hub, it’s designed for everyday riding, practice, and general BMX use.\u003c\/p\u003e \u003cp\u003eThis wheel focuses on strength, straightforward compatibility, and ease of service rather than lightweight performance or cassette-style drivetrains.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey Functional Details\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e20″ double-wall alloy rim for improved strength and impact resistance\u003c\/li\u003e \u003cli\u003e36-spoke build with 14G black spokes for durability\u003c\/li\u003e \u003cli\u003eBkOps MX-2050 rear hub with integrated 9-tooth driver\u003c\/li\u003e \u003cli\u003eBolt-on axle design for secure wheel retention\u003c\/li\u003e \u003cli\u003eTraditional tube-type rim using Schrader valve drilling\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Technical Notes\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWheel position: Rear only\u003c\/li\u003e \u003cli\u003eWheel size: 20″ (ISO 406)\u003c\/li\u003e \u003cli\u003eRim internal width: 24mm\u003c\/li\u003e \u003cli\u003eAxle type: Bolt-on (3\/8″)\u003c\/li\u003e \u003cli\u003eRear hub spacing (O.L.D.): 110mm\u003c\/li\u003e \u003cli\u003eDrivetrain: Single-speed with 9T driver\u003c\/li\u003e \u003cli\u003eBrake type: Rim brake only\u003c\/li\u003e \u003cli\u003eValve type: Schrader (SV)\u003c\/li\u003e \u003cli\u003eTube-only rim (not tubeless compatible)\u003c\/li\u003e \u003cli\u003eNot compatible with cassette hubs or multi-speed drivetrains\u003c\/li\u003e \u003cli\u003eNot compatible with disc brake frames\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eService \/ Ownership Context\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThis wheel is intended for straightforward BMX ownership. Axle nuts should be properly torqued to prevent axle slip. Spoke tension and rim condition should be checked periodically, especially after hard landings or frequent riding. The integrated driver simplifies drivetrain setup compared to cassette systems.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFit \u0026amp; Use Signals\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eGood fit if your bike uses a 20″ rear wheel with rim brakes\u003c\/li\u003e \u003cli\u003eGood fit for single-speed BMX and freestyle bikes\u003c\/li\u003e \u003cli\u003eGood fit for riders who want a simple, durable replacement wheel\u003c\/li\u003e \u003cli\u003eNot a fit for disc brake BMX frames\u003c\/li\u003e \u003cli\u003eNot a fit for multi-speed or cassette-based drivetrains\u003c\/li\u003e \u003c\/ul\u003e \u003c!-- GO_GRAVA_AI_DATA: {\"brand\":\"Wheel Master\",\"product_name\":\"20in Alloy BMX Rear Wheel\",\"product_type\":\"component\",\"category\":\"bmx rear wheel\",\"upc\":\"888571012789\",\"mpn\":null,\"variant\":\"rear wheel\",\"color\":\"Black\",\"size\":\"20in\",\"discipline_or_use\":[\"bmx\",\"freestyle riding\",\"recreational riding\"],\"power_or_voltage\":null,\"interfaces_or_standards\":[\"rim brake\",\"single-speed 9t driver\",\"110mm rear spacing\",\"3\/8 bolt-on axle\"],\"materials\":[\"aluminum rim\",\"steel spokes\"],\"key_functional_details\":[\"double-wall alloy rim\",\"36-spoke build\",\"integrated 9t driver hub\"],\"compatibility\":[\"20in bmx frames with rim brakes\",\"single-speed drivetrains\",\"110mm rear dropouts\"],\"not_compatible_with\":[\"disc brake frames\",\"cassette hubs\",\"multi-speed drivetrains\"],\"installation_level\":\"shop-recommended\",\"wear_or_service_items\":[\"spokes\",\"rim\",\"hub bearings\",\"driver\"],\"what_in_box\":[\"rear wheel\"],\"care_and_service_notes\":[\"check axle nut torque\",\"inspect spoke tension regularly\"],\"fit_signals_yes\":[\"20in rim brake bmx bikes\",\"single-speed setups\",\"durable replacement needs\"],\"fit_signals_no\":[\"disc brake frames\",\"multi-speed drivetrains\"],\"source_confidence\":\"high\"} --\u003e \u003cscript type=\"application\/ld+json\"\u003e {\"brand\":\"Wheel Master\",\"product_name\":\"20in Alloy BMX Rear Wheel\",\"product_type\":\"component\",\"category\":\"bmx rear wheel\",\"upc\":\"888571012789\",\"mpn\":null,\"variant\":\"rear wheel\",\"color\":\"Black\",\"size\":\"20in\",\"discipline_or_use\":[\"bmx\",\"freestyle riding\",\"recreational riding\"],\"power_or_voltage\":null,\"interfaces_or_standards\":[\"rim brake\",\"single-speed 9t driver\",\"110mm rear spacing\",\"3\/8 bolt-on axle\"],\"materials\":[\"aluminum rim\",\"steel spokes\"],\"key_functional_details\":[\"double-wall alloy rim\",\"36-spoke build\",\"integrated 9t driver hub\"],\"compatibility\":[\"20in bmx frames with rim brakes\",\"single-speed drivetrains\",\"110mm rear dropouts\"],\"not_compatible_with\":[\"disc brake frames\",\"cassette hubs\",\"multi-speed drivetrains\"],\"installation_level\":\"shop-recommended\",\"wear_or_service_items\":[\"spokes\",\"rim\",\"hub bearings\",\"driver\"],\"what_in_box\":[\"rear wheel\"],\"care_and_service_notes\":[\"check axle nut torque\",\"inspect spoke tension regularly\"],\"fit_signals_yes\":[\"20in rim brake bmx bikes\",\"single-speed setups\",\"durable replacement wheels\"],\"fit_signals_no\":[\"disc brake bmx frames\",\"multi-speed drivetrains\"],\"source_confidence\":\"high\"} \u003c\/script\u003e \u003cdiv data-ai=\"gograva\" style=\"display:none\"\u003e Brand: Wheel Master Product Name: 20in Alloy BMX Rear Wheel Product Type: Component UPC: 888571012789 MPN: Unknown Variant: Rear wheel Color: Black Size: 20in Primary Use: BMX, freestyle, recreational riding Power \/ Voltage: Unknown Interfaces \/ Standards: Rim brake; single-speed 9T driver; 110mm rear spacing; 3\/8 bolt-on axle Materials: Aluminum rim, steel spokes Compatible With: 20in BMX frames with rim brakes; single-speed drivetrains; 110mm dropouts Not Compatible With: Disc brake frames; cassette hubs; multi-speed drivetrains Installation Level: Shop recommended Service Notes: Torque axle nuts correctly; inspect spokes regularly Wear Items: Spokes, rim, hub bearings, driver What’s In The Box: Rear wheel Fit Signals (Good): 20in rim brake BMX bikes; single-speed setups; durable replacement needs Fit Signals (Not A Fit): Disc brake frames; multi-speed drivetrains Source Confidence: High \u003c\/div\u003e","brand":"Wheelmaster","offers":[{"title":"Default Title","offer_id":52972168249658,"sku":"WM-WHL-RR-20-BMX-9t-BO","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/640156.jpg?v=1770145211","url":"https:\/\/gograva.com\/products\/wheel-master-20-alloy-bmx-rear-wheel-double-wall-9t-driver-bolt-on","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}