Your cookie choices

We use necessary cookies to make this site work. With your permission, analytics cookies help us understand usage and marketing cookies support advertising.

You can reject non-essential cookies and still use the site. Change your choices anytime in Cookie settings.

Cookie settingsCookie policy

Updated October 21, 2026 · CommuteCue Editorial Team

A DECE OASIS vs Deruiz

A DECE OASIS scores 8.9 and Deruiz 8.8 out of 10. Compare their differences and shared features below.

A DECE OASIS

Higher score in this comparison

8.9/10
Visit
Deruiz

Deruiz

8.8/10
See alternatives

What sets them apart

A DECE OASIS vs Deruiz
CompareA DECE OASISReviewVisitVisitDeruizDeruizReviewSee alternativesSee alternatives
Reference modelsADO Air 20S, ADO Air 28, ADO Air Carbon Pro, ADO Air One UltraQuartz 2026, Mica Pro 2026, Peridot 2026, Dolomit 2026
Price from€1,199Lower€1,399
Price up to€2,499Lower€3,499
Largest battery (Wh)370720Higher
Claimed range (km)100180Higher
Lightest model (kg)14.713.6Lower
Maximum payload (kg)120180Higher
Frame warranty5 yearsHigher2 years
Service networkOwnPartner
Money-back period14 days30 daysHigher
MarketsAT, BE, BG, HR, CZ, DK, EE, FI, FR, DE, GR, HU, IE, IT, LV, LT, LU, MT, NL, PL, PT, RO, SK, SI, ES, SEDE, AT, BE, BG, CZ, DK, EE, FI, FR, GR, HU, IE, IT, LT, LU, LV, NL, NO, PL, PT, RO, SE, SI, SK, ES, GB, CH
ThrottleNot confirmedNo

Same on both: Motor position (Hub), Nominal motor power (W) (250), Assist class (EU 25), Removable battery (Yes), Belt drive (Yes), Battery warranty (2 years), Sales model (Both), Finance (Yes).

We earn a commission when you sign up through links on this site. Partner status can affect where a brand appears in our rankings. Partners with a live offer in your country come first, then every other brand by score.

Key differences

  • A DECE OASIS scores higher overall: 8.9 vs 8.8.
  • Price from is lower at A DECE OASIS: €1,199 vs €1,399.
  • Price up to is lower at A DECE OASIS: €2,499 vs €3,499.
  • Largest battery (Wh) is higher at Deruiz: 720 vs 370.
  • Claimed range (km) is higher at Deruiz: 180 vs 100.
  • Lightest model (kg) is lower at Deruiz: 13.6 vs 14.7.
  • Maximum payload (kg) is higher at Deruiz: 180 vs 120.
  • Frame warranty is higher at A DECE OASIS: 5 years vs 2 years.
  • Money-back period is higher at Deruiz: 30 days vs 14 days.
  • Support channels: only Deruiz offers Phone, Community.

Our verdict on each

A DECE OASIS

A DECE OASIS suits riders who want folding, city and cargo bikes from a single maker, and who live in the European markets listed for delivery. Entry prices start at €1,199, the frame warranty runs 5 years, and support runs on email and help centre only.

Read the full A DECE OASIS review

Deruiz

Deruiz suits European riders who want a belt drive commuter with a long warranty and a broad range of body styles, without paying for a cargo or mountain machine. Bikes start at €1,399 and top out at €3,499, with a 30 days money back window.

Read the full Deruiz review

Score breakdown

A DECE OASIS vs Deruiz
AreaA DECE OASISDeruiz
Cost8.9HigherEntry at €1,199 and a ceiling of €2,499 sit above the folding field, and finance is offered to spread the cost.8.6Entry sits at €1,399 with a median of €876.09 on the site, though the floor is €8.73.
Offer8.9Belt drive, a removable battery, 100 km claimed range and 14 day returns across folding, city and cargo bikes.9.2HigherBike types span commuter, city and step through with a claimed range of 180 km and a 30 days money back window.
TrustNot confirmed8.3Warranty runs 2 years on the frame and 2 years on the battery, sold in DE, AT and BE.

Positions in our rankings

A DECE OASIS vs Deruiz
RankingA DECE OASISDeruiz
Electric bikes30 of 185142 of 185
Commuter and city e-bikes27 of 143119 of 143
Folding e-bikes25 of 9083 of 90
Belt-drive e-bikes4 of 3526 of 35

The numbers side by side

A DECE OASIS vs Deruiz
FactA DECE OASISDeruiz
Price from€1,199€1,399
Price up to€2,499€3,499
Largest battery (Wh)370720
Claimed range (km)100180
Lightest model (kg)14.713.6
Maximum payload (kg)120180
Frame warranty5 years2 years
Battery warranty2 years2 years
Money-back period14 days30 days

A third option

KALKHOFF has frame warranty at 10 years, against 5 years for A DECE OASIS and 2 years for Deruiz.

KALKHOFF review

Every fact side by side

A DECE OASIS vs Deruiz
FactA DECE OASISDeruiz
Bike typesFolding, City, CargoCommuter, City, Step through, Folding, Emtb, Road
Motor brandBafangOwn
BrakesHydraulic discHydraulic disc
Legal entityNot confirmedDeruiz Germany GmbH
HeadquartersNot confirmedGermany
FoundedNot confirmed2018
Support channelsEmail, Help centreEmail, Phone, Help centre, CommunityCovers more

Where each stands against the rest

A DECE OASIS vs Deruiz
FactA DECE OASISDeruizMedian
Price from€1,199at the median€1,399above the median€1,199
Price up to€2,499below the median€3,499above the median€2,578.50
Nominal motor power (W)250below the median250below the median425
Largest battery (Wh)370lowest quarter720below the median800.8
Claimed range (km)100below the median180highest quarter138.5
Lightest model (kg)14.7lowest quarter13.6lowest quarter25.7

Median across 144 listed brands.

Pros and cons

A DECE OASIS

Pros

  • Belt drive and a removable battery come as standard, a pairing that suits riders who would rather stop oiling chains on a bike kept in a hallway.
  • Frame warranty of 5 years with 2 years on the battery.
  • Hydraulic disc brakes across the line, hydraulic disc, which matters on wet city streets.

Cons

  • Support runs on email and help centre only, so a fault gets handled by email or the help centre and not by phone.
  • Nominal power of 250 W sits at the floor of what the category lists, so steep routes mean more rider input.
  • Repairs go through the brand's own service, own, which means returning the bike rather than visiting a nearby dealer.

Deruiz

Pros

  • Entry price of €1,399 sits just above the €1,314.57 upper quartile of the site.
  • Belt drive is standard, which is rarer than the 61.5% share without it.
  • Removable battery and a 180 km claimed range suit riders who charge at work.

Cons

  • The top price of €3,499 is well past the €3,506.97 upper quartile of the site.
  • There is no throttle, so pull up assistance matters on the 13.6 kg lightest bike.
  • Service runs through partner workshops rather than in house, so a job may mean a third party.

Who each suits

A DECE OASIS

Who it suits

  • Riders who want folding, city and cargo bikes from a single maker, with 5 year frame cover on each.
  • Households replacing a second car for short urban trips, who can send a bike back within 14 days if it does not suit.
  • Buyers who want belt drive and a removable battery without giving up folding, a mix the city, hybrid and step through range at KALKHOFF does not include.

Who should look elsewhere

  • Riders outside AT, BE and BG, since shipping is limited to the listed countries.
  • Anyone who wants to sort a problem by phone, because email and help centre covers email and a help centre.
  • Shoppers who want a long model list to browse, since the reference line is short and centred on a folding bike and larger wheeled versions.

Deruiz

Who it suits

  • Commuters in Germany, AT and BE who want belt drive and a long warranty
  • Riders who prefer buying direct, since both covers direct sales and partners
  • Anyone carrying loads, with a 180 kg payload limit

Who should look elsewhere

  • Anyone wanting cargo carrying, which Tern builds into cargo, commuter and folding
  • Buyers after established dealer servicing rather than both direct and partner buying
  • Riders wanting a throttle, which this brand does not offer

Current offers

Deruiz

Current offer

  • Discount code

    Turmali S: at least 200 EUR off during the sale: at least 200 EUR off

    Permanent sale offer on deruizebike.com, listed under Unsere Dauerangebote; applies to Turmali S 2026

    Source, checked September 30, 2026

  • Discount code

    Turmali M/L: at least 100 EUR off during the sale: at least 100 EUR off

    Permanent sale offer on deruizebike.com, listed under Unsere Dauerangebote; applies to Turmali M/L 2026

    Source, checked September 30, 2026

  • Discount code

    Quartz SUV: 100 EUR off during the sale: 100 EUR off

    Permanent sale offer on deruizebike.com, listed under Unsere Dauerangebote; applies to Quartz SUV 2026

    Source, checked September 30, 2026

Country by country

A DECE OASIS vs Deruiz
CountryA DECE OASISDeruiz
CroatiaYesNo
MaltaYesNo
NorwayNoYes
SwitzerlandNoYes
United KingdomNoYes
AustriaYesYes
BelgiumYesYes
BulgariaYesYes

8 of 29 countries where either is available.

Questions about each

A DECE OASIS

How much do A DECE OASIS bikes cost?+

Prices start at €1,199 for the cheapest bike in the range and reach €2,499 at the top. The middle of the range covers the larger frames and the cargo options, so a commuter and a load carrier come from the same maker. The figure quoted is the price of the bike itself.

Which models are in the range?+

The reference line covers a folding bike, a larger wheeled model and two higher specification versions, so the range spans small frames and bigger wheels. The lightest bike is 14.7 kg, which counts if you carry it up stairs or onto a train, and the payload rating reaches 120 kg on the load carrying frames.

Deruiz

How much does a Deruiz e-bike cost?+

Bikes run from €1,399 at the entry end up to €3,499 at the top, and the reference models are Quartz 2026, Mica Pro 2026, Peridot 2026, Dolomit 2026. There is no subscription or renewal price to weigh, so the purchase figure is the whole cost on the bike itself.

Do Deruiz e-bikes have a throttle?+

No, there is no throttle on the bikes listed. That keeps them in the EU 25 assist class, which is a common European setup, but it does mean the motor helps only while you pedal rather than on demand.

Other options to compare

A DECE OASIS

Visit

Deruiz

See alternatives