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Hop Up Parts

YR designs & makes RC Aluminum Upgrade Hopup Parts for big brands like Traxxas, Tamiya, Axial, HPI, Kyosho, Team Associated RC Cars. Upgrade parts can enhance the performance & make your RC crawler, cars, truck... look better!

Model: WL-0148
Description:High grip rubber scale tires for your Micro Crawler rig, included are foam inserts which you can use if you have added a lot of weight to your rig...
Model: WL-0149
Description:High grip rubber scale tires for your Micro Crawler rig, included are foam inserts which you can use if you have added a lot of weight to your rig...
Model: AXSC-042
Description:Upgrade the links on your SCX24 Deadbolt variant (Or any 133.5mm wheelbase) to these steel links to get rid of the floppy stock links! These steel links will also increase suspension stability as the links themselves do not flex and lets all the dampening happen with the shocks!..
Model: AXCP-008
Description:Overdrive your Axial Capra or SCX10 III with this heavy duty machined gearset! Overdriving allows you to tranverse trails and obstacles more easily!..
Model: YA-0623
Description:High durability Driveshaft caps for Tamiya and Yokomo series of touring cars which run the small standard ball size universals!..
Model: KYMX-008
Description:Brass balls for smoother suspension flex and action. Little added weight for more grip from your tires!..
Model: AXSC-020
Description:Get more from your tires with this Brass made steering knuckles by adding weight (72 grams each) exerted onto your tires when compared to the stock plastic items! Easy to remember with etched weight on the side of the knuckle...
Model: YA-0648
Description:Stainless steel spacer set for fine tuning the fitment of different parts, be it steering or even diff spacing to ensure a longer lasting drivetrain! Increments in 0.1mm, which allows you to get perfect play shimmed out...
Model: AXSC-065
Description:Upgrade the housing on your SCX24 to alloy with this upgrade pack, comes with all the mounting hardware required to install! Changing to allloy gives you higher durability when compared to the stock plastic parts...
Model: TRX4-089
Description:Alloy hard coated upgrade axle for Traxxas's TRX-6, machined with precise CNC for high durability and good fitment! Comes with bearing holders as well! One Piece with suspension link mount..
Model: AXSC-051
Description:Alloy front bumper recreating scale looks for your Axial SCX24 micro rig! Installs in place of the original rear bumper and made from alloy gives you protection without adding too much weight!..
Model: AXSC-070
Description:Aluminum Front bumper to protect your SCX24 chassis from knocks and bumps on rocks! Made from Aluminum means it won't rust if you run your rig in wet places either! Hook points for more scale points and even winching out of tricky places...
Model: AXSC-035
Description:High detail scale bumper for Axial's SCX10 III! Low profile means it's only function is to protect your chassis whilst being lightweight so it won't get caught up! Also included are two led bulbs which you can insert into the bumper as well...
Model: TRX4-092
Description: High detail scale bumper for the most popular crawlers on the current market! Features an inbuilt winch fairlead which allows you to route your winching cable through the bumper without having to modify your bumper! Also included are two led bulbs which you can insert into the bumper as..
Model: TRX4-097
Description:Alloy lightweight yet strong diff cover for Traxxas's TRX-4 and TRX-6! Comes with all the mounting hardware for you to install on your rig!..
Model: TRX4-090
Description:Alloy hard coated upgrade axle for Traxxas's TRX-6, machined with precise CNC for high durability and good fitment! Comes with bearing holders as well! One Piece with suspension link mount..
Model: AXSC-066
Description:Upgrade the housing on your SCX24 to alloy with this upgrade pack, comes with all the mounting hardware required to install! Changing to alloy gives you higher durability when compared to the stock plastic parts...
Model: TRX4-091
Description:Alloy hard coated upgrade axle for Traxxas's TRX-6, machined with precise CNC for high durability and good fitment! Comes with bearing holders as well! One Piece with suspension link mount..
Model: AXSC-050
Description:Alloy rear bumper recreating scale looks for your micro rig! Installs in place of the original rear bumper and made from alloy gives you protection without adding too much weight!..
Model: AXSC-071
Description:Aluminum Rear bumper to protect your SCX24 chassis from knocks and bumps on rocks! Made from Aluminum means it won't rust if you run your rig in wet places either! Hook points for more scale points and even winching out of tricky places...
Model: AXSC-036
Description:High detail scale bumper for Axial's SCX10 III! Low profile means it's only function is to protect your chassis whilst being lightweight so it won't get caught up! Also included are two led bulbs which you can insert into the bumper as well...
Model: TRX4-098
Description:Alloy lightweight yet strong diff cover for Traxxas's TRX-6! Comes with all the mounting hardware for you to install on your rig!..
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