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23.3.2017: FOCUS JAM² PLUS PRO plays in the top league

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FOCUS JAM² PLUS PRO

23.3.2017: FOCUS JAM² PLUS PRO plays in the top league
 
 
 
 
 
 
"JAM² PLUS PRO plays in the top league"
 
 
 
With the Tailored Energy Concept (T.E.C.), FOCUS has the most innovative concept. Well-thought-out practical details and an autonomous design underpin the test winner in the current issue 01/2017 of EMTB, published by Delius Klasing. With a readership of almost 60,000, it is one of the most important magazines in the E-MTB sector.
 
Bulls, Cube, Flyer, FOCUS, Haibike, Kreidler, Lapierre, Mondraker, Thömus, Trek – ten of the more interesting new arrivals in 2017, regardless of price, were summoned for review.
 
"Design follows function"
 
Gone are the days when you had to accept an unattractive black block on the MTB in order to enjoy the benefits of an E-MTB. SHIMANO STEPS (E-8000) is clearly out in front when it comes to stylish integration and represents the first genuine competitor for the established Bosch (Performance-CX). Yamaha (PW-X drive) and Panasonic are lagging behind when it comes to design because they are not integrable.
The slim look, with the stylish SHIMANO SETPS rechargeable battery of the JAM² PLUS PRO, integrated in the down tube, wins particular praise.
 
"Tailored Energy Concept – the pièce de résistance"
 
Our editorial staff have worked out and fully understood the Tailored Energy Concept (T.E.C.). The short regular route is always possible without any problems with the small integrated rechargeable battery. The benefits are perfectly clear: agile handling, thanks to the reduced weight, and a top geometry, which was already achieving winning test results on the non-electrified JAM from the same product family. A transition in the trend can be observed when it comes to geometry. "Short and sweet" is the name of the game when it comes to agility on single tracks.
The JAM² PLUS PRO plays in the top league"
With the Tailored Energy Concept (T.E.C.), FOCUS has the most innovative concept. Well-thought-out practical details and an autonomous design underpin the test winner in the current issue 01/2017 of EMTB, published by Delius Klasing. With a readership of almost 60,000, it is one of the most important magazines in the E-MTB sector.
Bulls, Cube, Flyer, FOCUS, Haibike, Kreidler, Lapierre, Mondraker, Thömus, Trek – ten of the more interesting new arrivals in 2017, regardless of price, were summoned for review.
"Design follows function"
 
 
 
 
 
 
 
 
 
 
 
 
"Elevation range – the new benchmark?"
 
"How far and high can you get with one battery charge? That is the crucial question and for most the true benchmark for the EMTB test". The market demands this data as it allows for comparisons between EMTBs and makes this data tangible for the consumer. However, in future, the consumer will get used to the idea that the feel of the ride, geometry and design are the significant factors.
 
Along the way, we will be confronted more and more by this new measuring method. For this test, a new testing method was used to determine the elevation range. The elevation range, as the new detail, replaces the familiar "range". It is measured with the highest assist level. Friction, air resistance, ambient temperature and fluctuations in the rider's performance are weighted less significantly for the elevation range test than for the range test. According to EMTB, the measured elevation in metres provides better comparability for EMTBs.
JAM² PLUS PRO, at 756 Wh, is out in front in the elevation range test and achieves an impressive 1,768 metres in altitude. It is followed by Trek (Bosch Performance CX, 250 Wh, 1,457 metres in altitude), Bulls (Shimano Steps MTB, 250 Wh, 1,449 metres in altitude), Cube (Bosch CX, 250 Wh, 1,421 metres in altitude) and Lapierre (Bosch Cx, 250 Wh, 1,390 metres in altitude).
 
"Does it need efficiency data as with electrical appliances?"
 
Efficiency is another detail which could gain significance in the future. It specifies the average power consumption of a system: the work accomplished comprises both the work of the drive and the work of the rider. Thus, the battery is run to empty on the test bench at a constant rider power of 130 watts and with a defined ascent. The charging work is then measured and correlated in order to calculate the resultant efficiency. Similar to electrical appliances, A, A+ and A++ are the categories defined.
In this case, the JAM² PLUS PRO with the SHIMANO Steps drive, at 58.5%, achieves efficiency class A+ and is closely behind the Trek with the BOSCH Performance CX drive, which is at 59.8%. No drive achieves efficiency class A++.
 
A positive step towards giving the subject of range a new direction. Metres in altitude before kilometres, efficiency before watt-hours.
Verdict: "Harmonious all-round package": modular battery system, impressive riding performance and design of the JAM² PLUS PRO. The T.E.C. pack makes the bike extremely variable. Moreover, it provides excellent geometry in all riding situations.
 
FOCUS JAM² PLUS PRO | 23.4 kg | €6,499 + €499 for a T.E.C. pack
Suspension fork RockShox Yari RC 140 mm
Damper Sram Deluxe RT 140 mm
Motor/battery SHIMANO STEPS/E-8000 up to 756 Wh (2x378 Wh)
Brakes Shimano Deore XT
Transmission Shimano Xt-Di2, 11x
Seatpost Rockshox Reverb
Tyres Schwalbe Nobby Nic Plus 2.8
Wheels DT Swiss
 
The test in detail: EMTB powered by BIKE, 01/2017
 
 

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