LEARN TO FLY | Order Now
        FMS 1:18 FCX18 II Ford F-100 | Order Now
            New BATRAZZI Release | Shop to Upgrade
                Sept. Sales | Shop Now
                    130MM PILATUS PC-21 | Order Now
                        Losi 1:12 NASCAR | Order Now
                            Order Over$ $99 | Free Shipping
                              图片alt
                              图片alt
                              图片alt
                              图片alt
                              图片alt
                              图片alt
                              • 图片alt
                              • 图片alt
                              • 图片alt
                              • 图片alt
                              • 图片alt
                              • 图片alt
                              1 / 6

                              Spektrum Firma 2840-4500Kv 4-Pole Brushless Motor-SPMXSM4700

                              SPMXSM4700
                              In stock
                              $47.99 USD
                              Shipping fees will be calculated at checkout.
                              Quantity
                              Secure Payment Options
                              PayPal
                              Pay Later
                              Apple Pay

                              Available payment methods may vary by location, device, and order details.

                              Free Shipping Over $99
                              30 Day Return
                              90 Day Warranty

                              Compatibility

                              LOS1122405
                              LOS1122405
                              LOS1122405
                              LOS1122408
                              LOS1122408
                              LOS1122408
                              LOS1122409
                              LOS1122409
                              LOS1122409
                              LOS1122412
                              LOS1122412
                              LOS1122412
                              LOS1122419
                              LOS1122419
                              LOS1122419
                              LOS1122434
                              LOS1122434
                              LOS1122434
                              1/12 NASCAR RC Race Car Ross Chastain No. 1 Busch Light 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              1/12 NASCAR RC Race Car Ross Chastain No. 1 Busch Light 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              LOS1122501
                              1/12 NASCAR RC Race Car Kyle Larson No. 5 Valvoline 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              1/12 NASCAR RC Race Car Kyle Larson No. 5 Valvoline 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              LOS1122505
                              1/12 NASCAR RC Race Car Chase Elliott No. 9 NAPA 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              1/12 NASCAR RC Race Car Chase Elliott No. 9 NAPA 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              LOS1122509
                              LOS1122520
                              Losi 1:12 NASCAR RC Race Car Kyle Larson No.5 Valvoline 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road RC-LOS1122505
                              LOS1122520
                              1/12 NASCAR RC Race Car Joey Logano No. 22 Shell 2025 Ford Mustang 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              1/12 NASCAR RC Race Car Joey Logano No. 22 Shell 2025 Ford Mustang 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              LOS1122522
                              1/12 NASCAR RC Race Car William Byron No. 24 Raptor 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              1/12 NASCAR RC Race Car William Byron No. 24 Raptor 2025 Chevrolet Camaro ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              LOS1122524
                              1/12 NASCAR RC Race Car Zane Smith No. 38 2026 Losi Ford Mustang 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              1/12 NASCAR RC Race Car Zane Smith No. 38 2026 Losi Ford Mustang 2S AWD RTR Brushed On-Road (Battery & Charger Included)
                              LOS1122638
                              1/12 Asphalt Late Model RC Race Car Dale Earnhardt Jr. No. 8 (Battery & Charger Included)
                              1/12 Asphalt Late Model RC Race Car Dale Earnhardt Jr. No. 8 (Battery & Charger Included)
                              LOS-3104
                              1/12 Asphalt Late Model RC Race Car Dale Earnhardt Jr. No. 8 2025 Sun Drop Chevrolet ZL1 2S AWD On-Road (Battery & Charger Included), Green
                              1/12 Asphalt Late Model RC Race Car Dale Earnhardt Jr. No. 8 2025 Sun Drop Chevrolet ZL1 2S AWD On-Road (Battery & Charger Included), Green
                              LOS-3104T1
                              1/12 Asphalt Late Model RC Race Car Dale Earnhardt Jr. No. 8 2025 Budweiser Chevrolet ZL1 2S AWD On-Road (Battery & Charger Included), Red
                              1/12 Asphalt Late Model RC Race Car Dale Earnhardt Jr. No. 8 2025 Budweiser Chevrolet ZL1 2S AWD On-Road (Battery & Charger Included), Red
                              LOS-3104T2
                              1/12 NASCAR RC Race Car RCR No. 3 GM Goodwrench Chevrolet ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included), Black
                              1/12 NASCAR RC Race Car RCR No. 3 GM Goodwrench Chevrolet ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included), Black
                              LOSF1122503
                              1/12 NASCAR RC Race Car Dale Earnhardt Jr. No. 8 Budweiser Chevrolet ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included), Red
                              1/12 NASCAR RC Race Car Dale Earnhardt Jr. No. 8 Budweiser Chevrolet ZL1 2S AWD RTR Brushed On-Road (Battery & Charger Included), Red
                              LOSF1122508
                              Firma Brushless Motor / ESC / Receiver Combo, 4500Kv: NASCAR
                              Firma Brushless Motor / ESC / Receiver Combo, 4500Kv: NASCAR
                              SPMXSEMC25

                              Overview

                              The Spektrum™ Firma™ 4500Kv Brushless Motor is the perfect replacement for the 1/12 Losi NASCAR AWD RC Racecar. This motor features a low-cog 4-pole rotor design, CNC machined aluminum housing, insulated high-purity copper windings, a high-quality alloy steel 2.3mm output shaft, and precision bearings for durability and smooth rotation.

                              You may also like

                              Recently viewed

                              COMPANY

                              SUPPORT

                              SHOPPING

                              © 2026 HOBBY ZONE All Rights Reserved.

                              Home

                              Category

                              Cart

                              User

                              Home

                              Category

                              Cart

                              User

                              Cart

                              loading