By buying this product you can collect up to 2 loyalty points. Your cart will total 2 points that can be converted into a voucher of €0.20.
This treated steel crown is designed for demanding transmissions using a chain in step of 428 (wider and more robust than standard 219). That you drive on a chassis with a tree of 30 mm or 40 mm, this crown offers exceptional longevity, ideal for intensive leisure or 4-stroke motors and rental karts.
Material: High quality steel, machined for perfect concentricity.
No chain: Type 428 (hard and stretch resistant).
Compatibility Tree: Available for axis 30 mm or 40 mm (to be specified according to your crown holder).
Teeth range: Wide choice available in the drop-down menu, from 23 to 36 teeth.
Finish: Anti-corrosion treatment for maximum durability under all conditions.
Magickart Loyalty Program: By buying this crown, you collect up to 4 loyalty points. Your cart will total 4 points which can be converted into a discount voucher of 0,40 € at your next order!
"The 428 step is the choice of reason for those who want to ride without having to adjust the chain tension every 5 minutes. My expert advice: the steel is much heavier than the aluminium, but it is almost unusable. This is perfect if you do a lot of driving hours or if you have an engine that has a lot of 'couple' down.
The essentials with your steel crown:
Chain 428 reinforced: Never raise a new crown with an old relaxed chain, you will 'bush' the crown teeth prematurely.
Chain fat bomb (MOTUL or Lexoil) : Even in steel, a chain needs to be oily to limit heating.
Crown holder (30 or 40 mm): Check the alignment between your motor sprocket and the crown. A bad alignment, and that's the insured break, even in steel!
A little pro secret: To find out if your crown is dead, look at the profile of the teeth. If they start to look like shark fins (pointed and curved), change it quickly before it jumps. At Magickart, we have all the sizes in stock to help you in 24 hours!"
The ratio: The more teeth you put to the crown (ex: 36 teeth), the more acceleration you will have (ideal for sinuous circuits).
Speed: The less teeth you put on (e.g. 23 teeth), the more speed you will have (ideal for long straight lines).
Mounting: Tighten your crown screws to the cross. A slightly 'veiled' crown at the mounting will create hard points in your transmission.
Tension: Always leave 1 to 2 cm of vertical beat on the chain. Too tight a chain destroys shaft and engine bearings.
Large Range: From 23 to 36 teeth, we cover all gears of box or direct transmission.
Solidity Guarantee: Our steel crowns are selected for their abrasion resistance.
Direct advice: A doubt about the number of teeth? Michel answers your questions by phone to find the right report for your circuit.
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This treated steel crown is designed for demanding transmissions using achain in step of 428(wider and more robust than standard 219). That you drive on a chassis with a tree of30 mmor40 mm, this crown offers exceptional longevity, ideal for intensive leisure or 4-stroke motors and rental karts.
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