Denfgu e22 start project need help

Sebek

New Member
Oct 18, 2021
7
3
poland
hello i frome Poland , i start project emtb with carbon frame denfgu e22
E22.jpg


and geometry picture
Zrzut ekranu (43).png


and I have a few questions for you?
If I mount 29 wheels, the front shock absorber will be good 140mm??????
Melody rear shock says it should be 230 x60 mm

I also want to set up an 8speed drive due to the thick chain because the motor power is 1000w bafang m620

I ordered a bicycle frame on November 1, I got information that first they will send the batteries a frame next week because it is in painting

Is it better to choose both 29er wheels or better 29er front and 27er rear ??????
8 speed drive or maybe 10 speed ?????
 
Last edited:

thaeber

Well-known member
Jan 26, 2021
887
769
Bruchsal, Germany
I would go at least 150mm travel front, better 160mm and 29“ front wheel. Buy a really decent fork, Fox 38 / RS Zeb or if lower budget, a RS Domain / Marzzochi Bomber. Rear I would go 27.5“. With 160mm front and mullet wheels the head angle would change from 66 Deg. to appr. 64.5 Deg. for better downhill capabilities. Drivetrain I recommend the cheap Deore 10spd 11-46 with 32 front chainring, with the powerful engine You have ordered You can go with bigger (36?) one. I‘m really happy with range and shifting behavior, 1.600 km with 1st chain and zero problems (Bafang M500). Enjoy Your build!
 

Sebek

New Member
Oct 18, 2021
7
3
poland
I would go at least 150mm travel front, better 160mm and 29“ front wheel. Buy a really decent fork, Fox 38 / RS Zeb or if lower budget, a RS Domain / Marzzochi Bomber. Rear I would go 27.5“. With 160mm front and mullet wheels the head angle would change from 66 Deg. to appr. 64.5 Deg. for better downhill capabilities. Drivetrain I recommend the cheap Deore 10spd 11-46 with 32 front chainring, with the powerful engine You have ordered You can go with bigger (36?) one. I‘m really happy with range and shifting behavior, 1.600 km with 1st chain and zero problems (Bafang M500). Enjoy Your build!
I bought a rock shox recon shock absorber with 140 mm travel and 29er wheels, I will not ride down the mountains, I will drive around the city and sometimes go to the forest, will the geometry be good with a 140 mm shock absorber?
 

thaeber

Well-known member
Jan 26, 2021
887
769
Bruchsal, Germany
Frame Geometry above is based on fork lengths of 560mm. If you run 29“ front and rear, every cm shorter fork length will steepen up the angles by 0.5 Deg., e.g. 550 fork length resulting in HA 66.5. If You run mullet, the effect on HA is appr. -1 Deg. So if You run the short fork and mullet wheels, the geometry will remain very closed to the chart above.
 

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