So here's what you're riding for!

Spoiler: 


Reward for the 1st Data Cube:

Spoiler: 


Reward for the 4th Data Cube:

Spoiler: 


Reward for the 7th Data Cube:

Spoiler: 


Reward for the 10th Data Cube:

Spoiler: 


Reward for the 13th Data Cube:

Spoiler: 


Reward for the 16th Data Cube:

Spoiler: 


Reward for the 19th Data Cube:

Spoiler: 


Reward for the 22nd Data Cube:

Spoiler: 


Reward for the 23rd Data Cube:

Spoiler: 


Reward for beating....

Spoiler: 
Dark Machine!


1.
Track: The Lift
Discoverer: B8ZZ


Spoiler: 
Location: Near the very end. Approach the finish line and you'll see wood explode behind you. Roll back and you'll enter a secret area under the track.


2.
Track: The Aqueduct
Discoverer: B8ZZ


Spoiler: 
Location: After the long bridge, tip your front wheel down and tap the little button, then reverse backwards and down into a new area.



3.
Track: Crane Yard
Discoverer: xLGZ


Spoiler: 
Location: At the start, reverse and bump your back wheel against the box. This will lower a silver platform at the top of the first hill. Jump over and the cube will be waiting for you.




4.
Track: Road To Ruin
Discoverer: B8ZZ (Instructions refined by xitooner)


Spoiler: 
Location: After 5th checkpoint, accelerate up the hill and come to a stop just before the jump. Slowly creep forward until your front wheel touches the button shown. Once pressed you can drop down and fall backwards into the new hole.




5.
Track: Garbage Route
Discoverer: EHVdeG


Spoiler: 
Location: Bit tricky, this one. Right at the start reverse back up the steep hill. Once over you'll drop down to the Cube and then be sprung back up to allow you to finish the track.




6.
Track: Rock Wall
Discoverer: B8ZZ


Spoiler: 
Location: Get to this point in the map. Creep over the tip and touch the button with your front wheel, and then reverse back and down the new hole. The Cube is waiting down there.




7.
Track: Troll Lair
Discoverer: xLGZ


Spoiler: 
Location: Get to this point in the track. Tap the button with your front wheel and then reverse backwards and down. The Cube is in the little cave.




8.
Track: Well Park
Discoverer: EHVdeG (Instructions refined by izdale)


Spoiler: 
Location: At the U shaped ramp, settle your bike on the right side with the front wheel poking off the end. The ramp should depress. Then shoot off the last ramp and get as high as you can so to enter the tower.




9.
Track: Flower Hills
Discoverer: B8ZZ


Spoiler: 
Location: Get to the location shown. Reverse back and kick the little lever with your back wheel. Go forwards up the hill and the ground will explode revealing a new area downwards to the Cube.




10.
Track: Barrel Chase
Discoverer: B8ZZ


Spoiler: 
Location: At the very beginning drop your front wheel down to touch the button, this will reveal a platform allowing you to reverse up into the pipe. The Cube is inside.




>>>> LOCATION GUIDE CONTINUED HERE!!!! <<<<