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Manual number: 

8228£¨8229£©+8233+8257



Product major function & usage: 

Leading the gears to spin and transfer the energy from the motor 


Major advantages of upgrading to this product: 

Harden steel #45 plus nutrified and hardening process, more durable to use 


The features of general appearance of this product: 

Same as original


Key selling points: 

Very smooth to use with and highly recommended


Other special notes and comments: 

Length : Long side 71mm. Short side 45mm 


We have taken the time to individually, to carefully QC every part ¡¦ this is another advantage of GPM having our own concept design fabrication and manufacturing facilities ¡¦ almost all other companies outsource all of their production do very little QC never taking the time to unpackage, QC, then repackage their parts before shipping. GPM offers the best Quality Control and after product sold services, to include constantly making our pro team racers and staff available for any question or advice 


We offer speedy next day OVERNIGHT delivery by DHL for overseas shipments and you can enjoy their On-Demand Delivery service ¡¦. If not needed that fast, we also offer FREE delivery utilizing Hong Kong post service


We offer free delivery by SF Express within Hong Kong 


All parts included for a fast easy no hassle mount. Please feel free to contact us anytime with any questions, comments, suggestions, ideas or about our race and sponsorship programs at cs@gpmracing.com.hk


All parts are included for a fast easy installation with a 420 day no hassle guarantee, "RIDE THE BEST BE THE BEST GO GPM RACING" Enjoy GPM shopping.