i:SY Jungle E5 ZR RT
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The "Jungle E5 ZR RT" from i:SY, launched in 2022, is a compact e-bike that stands out for its well-thought-out features and robust construction. The frame is an original i:SY Compact 47 cm unisex model, which has a maximum permissible weight of 140 kg and a kerb weight of 23 kg. The bike is priced at 4049 EUR.
Braking performance is provided by a SHIMANO BR-MT 420 hydraulic 4-piston disc brake at the front and a SHIMANO BR-MT 410 hydraulic disc brake at the rear. The brake levers are SHIMANO BL-MT 402 3-finger levers. The brake discs measure 180 mm at the front and 160 mm at the rear, both SHIMANO SM-RT54 models. The gear system is a SHIMANO Nexus 5-speed with coaster brake, controlled by a SHIMANO Nexus Revo shifter.
The fork is an original i:SY compact rigid fork, which ensures stability. For lighting, the bike is fitted with a FUXON FF-100HB front light featuring a 100 lux LED and high beam, as well as a COMUS COB-LED rear light mounted on the luggage rack. The pedals are foldable and are made by VP Components. Power is transmitted via a GATES CDX Centretrack toothed belt, driven by a STRONGLIGHT Magan e-bike crankset.
The handlebars are 660 mm wide and 37 mm high, fitted with VELO gel grips in classic brown. The stem is an i:SY stem, 70 mm long, paired with a SPEEDLIFTER Twist T22 with a 170 mm reach. The headset is semi-integrated and tapered from 1 1/8” to 1 1/2”. The rims are RYDE Andra 40 Disc with 32 spokes made from 2.0 mm stainless steel, combined with SCHWALBE Pick Up tyres in size 62-406.
The saddle is a VELO Zecure model with Hydro Foam in classic brown, fitted to an i:SY seatpost 415 mm long and 34.9 mm in diameter. SKS Bluemels mudguards, 65 mm wide, provide protection against splashes. The chain guard is a Horn Catena model, and the kickstand is a PLETSCHER Kickstand Comp 40 Flex.
Security is provided by an Abus ISY lock set. The luggage rack is an i:SY Carrier with a Monkey Load adapter. The e-bike is powered by a BOSCH Performance Line motor with an output of 250 W at a voltage of 36 V. The battery is a BOSCH PowerPack 500 with a capacity of 500 Wh (13.8 Ah), which is controlled via the BOSCH Intuvia display. A BOSCH Standard Charger with 4 Ah ensures the battery charges quickly.
Overall, the i:SY Jungle E5 ZR RT offers a well-thought-out combination of functionality and comfort, ideal for urban use and beyond.
Tests & Reviews
Equipment
| Brakes | Front: SHIMANO BR-MT 420, hydraulic 4-piston disc brake / Rear: SHIMANO BR-MT 410, hydraulic disc brake |
| Brake levers | SHIMANO BL-MT 402, 3-finger lever |
| Frame | Original i:SY Compact 47 cm Unisex |
| Drivetrain | SHIMANO Nexus 5-speed, with coaster brake |
| Shift levers | SHIMANO Nexus Revo shifter, 5-speed |
| Fork | Original i:SY compact rigid fork |
| Crankset | STRONGLIGHT Magan E-bike crankset |
| Drive | GATES CDX Centre-track timing belt |
| Headset | Semi-integrated A-Head headset, tapered 1 1/8" to 1 1/2" |
| Handlebar | i:SY handlebars, height: 37 mm |
| Grips | VELO gel grips, classic brown |
| Stem | i:SY stem 70 mm / SPEEDLIFTER Twist T22 170 mm |
| Saddle | VELO Zecure, Hydro Foam, classic brown |
| Seatpost | i:SY seatpost, 415 mm, ⌀ 34.9 mm |
| Rims | RYDE Andra 40 Disc, 32 H |
| Tires | SCHWALBE Pick Up, Super Defence, 62-406 |
| Spokes | 32x stainless steel 2.0 mm |
| Pedals | VP Components Folding Pedals |
| Front light | FUXON FF-100HB, 100 lux LED with high beam |
| Rear light | COMUS COB-LED rear light in the luggage rack |
| Mudguards | SKS Bluemels 20”, width 65 mm |
| Kickstand | PLETSCHER Kickstand Comp 40 Flex |
| Rack | i:SY Carrier with Monkey Load Adapter |
| Motor manufacturer / model | BOSCH Performance Line, 36 V / 250 W |
| Display | BOSCH Intuvia |
| Battery | BOSCH PowerPack 500, 36 V, 13.8 Ah |
| Battery capacity (Wh) | 500 |
| Charger | BOSCH Standard Charger 4 Ah |