THUMPSTAR

Check out all of our Thumpstar conversion kits and accessories

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Let customers speak for us

from 524 reviews
Everything right and easy

Correct parts,fast shipping, great company

George sacco
STACYC GEARBOX - 12.96
STACYC GEARBOX - 12.96
Got our XRT back up and running smooth! These hybrid gears can take a lot of abuse

Got our XRT back up and running smooth! These hybrid gears can take a lot of abuse.

NinaKish
Upgraded Planetary Gears and Clutch | 16” 350W
Upgraded Planetary Gears and Clutch | 16” 350W
Great customer service and fast

Great customer service and fast shipping

Joseph Jasinski
[Full Hydraulic] - Build Your Own 12" Suspension Forks and Front Brake Kit For STACYC - DISCOUNTED LISTING
[Full Hydraulic] - Build Your Own 12" Suspension Forks and Front Brake Kit For STACYC - DISCOUNTED LISTING
Really wakes up the Stacyc bike pretty

Really wakes up the Stacyc bike pretty impressed

Zach Miller
JDubs Racing - 14T Sprocket for Stacyc 12/16e
JDubs Racing - 14T Sprocket for Stacyc 12/16e
Perfect fit

Perfect fit, top notch quality 👌

Cory Wilkinson
HANDLEBAR 19MM REPLACEMENT STACYC 12E (25.4mm)
HANDLEBAR 19MM REPLACEMENT STACYC 12E (25.4mm)
Great customer service

Great customer service, returned phone calls and texted back promptly.

Anonymous
STACYC 90 DEG GEARBOX UPGRADE KIT 12/16eDrive
STACYC 90 DEG GEARBOX UPGRADE KIT 12/16eDrive
Quick and easy process! Will be doing business

Quick and easy process! Will be doing business again

Ryan Knowles
Battery Adapter - Milwaukee - For Stacyc
Battery Adapter - Milwaukee - For Stacyc
Great setup for our 2yr old

Great setup for our 2yr old. He’s in a way better position on the bike now. JDubs is a great company to deal with. Will purchase all our stacyc parts from them.

Josh Manson
4” Bar Riser and Throttle Kit For Stacyc
4” Bar Riser and Throttle Kit For Stacyc
This bike absolutely rips

This bike absolutely rips. My 6 year old was coming from a Stacyc, and there’s no comparison between the two. So far, we’re very happy with the product.

Parker Bergen
Pur-Speed 16" Xtreme Ultra - 350W 52V 5ah
Pur-Speed 16" Xtreme Ultra - 350W 52V 5ah

Perfect fit and good packaging.

Chris
Battery Adapter - Dewalt - For Stacyc
Battery Adapter - Dewalt - For Stacyc
Quick service

Quick service, correct parts. A+ job

George sacco
STACYC 90 DEG GEARBOX UPGRADE KIT 12/16eDrive
STACYC 90 DEG GEARBOX UPGRADE KIT 12/16eDrive
Good

Good stuff

Kyle johnson
Standard Rear Disc Brake Kit For Stacyc
Standard Rear Disc Brake Kit For Stacyc
No complaints

No complaints. The product came in on time. Easy installation. Made the bike more comfortable to ride.

Anonymous
4” Bar Riser and Throttle Kit For Stacyc
4” Bar Riser and Throttle Kit For Stacyc
My son outgrew his 12” ebike and bought this one

My son outgrew his 12” ebike and bought this one. Perfect electric bike for my son! He loves it!

Jao Villano
XRT Moto 16" GT 36V 2.6AH 250W
XRT Moto 16" GT 36V 2.6AH 250W
Great kit! My boy is able to ride faster and in control

Great kit! My boy is able to ride faster and in control. I was worried about front brakes being too much for my 3yo but he hasn’t had any issues getting used to them

Travis Bradburn
[Full Hydraulic] - Build Your Own 12" Suspension Forks and Front Brake Kit For STACYC
[Full Hydraulic] - Build Your Own 12" Suspension Forks and Front Brake Kit For STACYC