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Playful and agile, the Trek Rail+ 9.7 Eagle 70 puts the Bosch Performance Line CX motor and its 800 Wh battery at the service of trail riding, with a 160 mm RockShox Lyrik fork and an OCLV Mountain carbon main frame. It weighs 23.88 kg in size M according to Trek. The Fury Red/Dark Star colourway pairs a bright red with a deep black.
| Frame | OCLV Mountain carbon main frame, removable RIB 2.0 battery, Motor Armor, adjustable head angle, Mino Link, adjustable suspension leverage, UDH, Boost148 |
| Motor | Bosch Performance Line CX, 85 Nm (up to 100 Nm via the eBike Flow app), 250 W rated, assist up to 25 km/h |
| Battery | Integrated, removable Bosch PowerTube 800 Wh (RIB 2.0) |
| Suspension | RockShox Lyrik Delta RC DebonAir+ 160 mm / RockShox Super Deluxe 205 x 65 mm, 160 mm |
| Drivetrain | SRAM Eagle 70 T-Type 1x12, XS-1270 10-52 cassette, Eagle 70 chain |
| Brakes | Shimano MT620 hydraulic, RT66 203 mm rotors |
| Wheels / tyres | Bontrager Line TLR 30 rims, Rapid Drive 108 hubs / Brevard Pro XR 29 x 2.50 front, 27.5 x 2.60 rear (27.5 in S) |
| Cockpit | 35 mm handlebar, Bontrager Elite 45 mm stem, Trek Line Elite grips |
| Saddle / seatpost | Bontrager Verse P3 / Line Dropper 150 to 200 mm depending on size |
| Weight | 23.88 kg in size M (Trek figure, with tubeless sealant) |
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At a glance
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For the mountain biker who likes to play with the terrain, pop off small bumps and link corners, while making the most of full-power assist to climb back up quickly. It will appeal to anyone who mainly rides local trails and wants a responsive bike.
An OCLV Mountain carbon front triangle for a more agile Rail+. This Rail+ 9.7 gets the 5th-generation carbon main frame, with the 800 Wh Bosch battery housed in the down tube and removable from below. OCLV Mountain fibre brings high stiffness for a moderate weight: 23.88 kg in M, more than a kilo under the aluminium Rail+ 8. The adjustable geometry (head angle, Mino Link, leverage) is set in the workshop.
| Carbon Rail+ (9.7 / 9.8) | Aluminium Rail+ (5 / 8) | Carbon Slash+ (TQ) | |
| Frame | OCLV Mountain main frame | Alpha Platinum | OCLV Mountain |
| Drive system | Bosch CX, PowerTube 800 Wh | Bosch CX, PowerTube 800 Wh | TQ HPR60, 580 Wh |
| Weight (M) | 23.73 to 24.18 kg | 24.78 to 25.08 kg | 21.58 to 21.83 kg |
| What it means | Lighter chassis, same motor | Gentler budget, robust frame | Gentler assist, livelier bike |
Put simply: this 9.7 pairs the RockShox Lyrik fork, slimmer than a ZEB, with the SRAM Eagle 70 T-Type drivetrain mounted directly on the UDH hanger: the most trail-oriented carbon Rail+ in the range.
The Bosch CX delivers 85 Nm, up to 100 Nm via the eBike Flow app, but it is its responsiveness that counts here: when you get back on the power out of a hairpin, the push arrives immediately. The assist stops at 25 km/h, the European rule for a 250 W rated motor; after that the bike rolls freely like a conventional mountain bike.
The Mino Link and adjustable suspension leverage let you make the bike more playful or more stable depending on your terrain. The Brevard Pro XR tyres, 29 x 2.50 at the front and 27.5 x 2.60 at the rear, offer plenty of volume for running low pressures on the red earth of the Salagou. We show you how to adapt the pressure for each ride.
| Model | Motor / battery | Rear / front travel | Drivetrain | Weight (M) |
| Rail+ 8 | Bosch CX / 800 Wh | 160 / 160 mm | Shimano XT / Deore 12-speed | 25.08 kg |
| Rail+ 9.7 XT | Bosch CX / 800 Wh | 160 / 160 mm | Shimano XT / SLX 12-speed | 23.73 kg |
| Rail+ 9.7 Eagle 70 | Bosch CX / 800 Wh | 160 / 160 mm | SRAM Eagle 70 12-speed | 23.88 kg |
| Rail+ 9.8 XT Di2 | Bosch CX / 800 Wh | 160 / 160 mm | Wireless Shimano XT Di2 | 23.98 kg |
Our take: this Rail+ 9.7 Eagle 70 weighs 23.88 kg in M, 2.3 kg more than the TQ Slash+ 9.7 (21.58 kg), but offers 85 Nm and 800 Wh against 60 Nm and 580 Wh. The Rail+ 9.7 XT, with a ZEB fork, weighs 23.73 kg.
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LVR sizing advice Size S rolls on 27.5 inch wheels at both ends with a 150 mm dropper; M moves up to 170 mm, L and XL to 200 mm. If you are between sizes, the shorter one favours tight hairpins, the longer one composure in rock gardens.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Is the Rail+ playful despite its weight? | Yes, its 27.5 inch rear wheel and Lyrik fork make it lively in the corners. |
| Can the torque be increased? | Yes, up to 100 Nm in the Bosch eBike Flow app. |
| Which sizes for this colourway? | Four sizes, from S to XL, for riders from 155 to 195 cm according to Trek. |
| Does Fury Red scratch? | A protective film fitted in the workshop preserves the rub points. |
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The LVR Cycles verdict A lively, powerful carbon Rail+ that keeps a playful character thanks to its Lyrik fork and 29 / 27.5 mullet setup. Fury Red on black underlines that temperament.
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Why buy from LVR Cycles? In Béziers, we set up the geometry and suspension of your Rail+ for your riding, fit the tyres tubeless and handle Bosch updates.
Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.
Data sheet
Specific References