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The "SONIC EVA TR 1 29" model from Bulls, released in 2024, impresses with a wide range of high-quality technical components and a robust build. The frame is made from 6061 aluminium and was manufactured using hydroforming. It is 1.8 steerer-ready, features internal cable routing and is fitted with a telescopic seatpost and a thru-axle. The maximum load capacity is 150 kg, which highlights the bike’s stability and load-bearing capacity.
Braking performance is provided by SHIMANO BR-MT420 hydraulic disc brakes. The front and rear brake discs have a diameter of 203 mm; the SHIMANO SM-RT30 CL is fitted at the front and the SHIMANO RT-EM300 CL at the rear. Gear changes are handled by the SHIMANO Cues RD-U6000, controlled via the SHIMANO Cues SL-U6000 shifter. The bike offers a total of 10 gears, allowing for flexible adaptation to different types of terrain.
The SR SUNTOUR Lytro 34 LOR Air DS Boost fork, with 120 mm of travel, ensures a comfortable ride, even on uneven terrain. Lights can be fitted as an option via the MonkeyLink Connect system at the front and the MonkeyLink Twinlight at the rear. The pedals are from ZECURE and are specially designed for MTB use.
The crankset is manufactured in-house by BULLS and measures 165 mm in length, whilst the cassette is a SHIMANO CS-LG400-10 with a gear ratio of 11-48T. The drivetrain is powered by the SHIMANO LG500. The handlebars are BULLS riser bars, fitted with comfortable sport grips. The stem is the BULLS MTBi-Sport and is CCS Slot Mount ready.
The steering system is completed by the ACROS 310.52.570R1 headset. The rims are Rodi TRYP30 evo tubeless-ready, fitted with SCHWALBE Smart Sam K-Guard tyres in size 65-622. The front and rear hubs are SHIMANO HB-MT400 and SHIMANO FH-MT400-B respectively.
The saddle is a Prologo Proxim 400 wide, mounted on a Limotec Alpha 1 seatpost with a diameter of 34.9 mm and 150 mm of adjustment, controlled via the SL-MT500-IL lever. An ABUS battery lock provides additional security.
The bike is powered by the Bosch Performance Line CX motor (Smart System) with a top speed of 25 km/h and a torque of 85 Nm. The Bosch PowerTube battery has a capacity of 625 Wh and is charged using a 4 A charger. The display is a Bosch LED Remote.
The price for the SONIC EVA TR 1 29 is 5,199 EUR, which can be considered justified given the comprehensive specification and high-quality components.
| Brakes | SHIMANO BR-MT420 hydraulic disc brake |
| Rear brake disc | SHIMANO RT-EM300 CL 203mm |
| Frame | 6061 aluminium, hydroformed, 1.8 steerer tube ready, internal cable routing, thru-axle, telescopic seatpost |
| Drivetrain | SHIMANO Cues RD-U6000 |
| Shift levers | SHIMANO Cues SL-U6000 |
| Number of gears | 10 |
| Fork | SR SUNTOUR Lytro 34 LOR Air DS Boost |
| Fork travel (mm) | 120 |
| Crankset | BULLS 165 mm |
| Sprocket | SHIMANO CS-LG400-10 11-48T |
| Drive | SHIMANO-LG500 |
| Headset | ACROS 310.52.570R1 |
| Handlebar | BULLS adjustable |
| Grips | Comfort Sport |
| Stem | BULLS MTBi-Sport, CCS Slot Mount ready |
| Saddle | Prologo Proxim 400 wide |
| Seatpost | Limotec Alpha 1 34.9 mm + SL-MT500-IL, 150 mm |
| Rims | Rodi TRYP30 evo tubeless-ready |
| Tires | SCHWALBE Smart Sam K-Guard 65-622 |
| Rear hub | SHIMANO FH-MT400-B |
| Pedals | ZECURE MTB pedals |
| Front light | MonkeyLink Connect (lighting not included in the scope of delivery) |
| Rear light | MonkeyLink Twinlight |
| Motor manufacturer / model | Bosch Performance Line CX (Smart System) 25/85Nm |
| Display | Bosch LED Remote |
| Battery | Bosch Powertube 750 |
| Battery capacity (Wh) | 750 |
| Charger | 4 A charger |