Merida eSilex + 600 – Orange 2021


650b+ wheel eGravel bike with Shimano GRX810 1 x 11 drivetrain and MAHLE ebikemotion 40Nm hub motor and internal battery

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Merida eSilex + 600 – Orange 2021

The dream ticket when discussed in the Merida UK office. A gravel bike with assistance, allowing you to go further, tackle more and generally just grin a lot.

MAHLE’s ebikemotion system uses a 40Nm rear hub motor powered by a fully integrated 250Wh battery hidden in the downtube.

The low system weight combined with a carbon fork and sophisticated aluminium frame means the bike also feels lively even without power assistance. There is almost no drag at all from the motor when it is not engaged.

The system has an iWoc button for controlling support levels and a sophisticated app gives the opportunity to adjust the riding feel as well as post-ride analysis features.

The frame has mounts for mudguards and rack and a neat hidden kickstand mount. Cable routing is through the frame with cables entering through a specific headset cap to keep the cockpit nice and neat.

The eSilex can be run with either 700c or 650b wheels.


FrameLite - Hydroformed 6066 triple butted aluminium, integrated battery, mounts for mudguards, rack and kickstand. 9mm QR axle standard, BSA BB standard. Max Tyre clearance 700 x 45c without mudguards, 700 x 42c with mudguards. Max 27.5 x 47c
ForkMerida Silex CF2; Tapered; carbon, Max Tyre clearance 700 x 42c without mudguards, 700 x 35c with Mudguards. Max 27.5 x 50c
HeadsetFSA No. 69/SRS
StemMerida Expert CC; aluminium; 31.8mm diameter; 5 degree rise - Length : 80 mm all sizes
HandlebarMerida Expert GR; aluminium
GripsMerida Road Expert
Brake systemHydraulic disc
Brake leverShimano GRX600
Brake calipersFront: Shimano GRX600; 2 piston hydraulic disc brake with Shimano RT64; 160mm rotor Rear: Shimano GRX600; 2 piston hydraulic disc brake with Shimano RT66; 160mm rotor
TyresFront: Continental; Terra Trail, 650b x 47; ShieldWall Rear: Continental; Terra Trail, 650b x 47; ShieldWall
Wheel size27.5
WheelsRims: Merida Expert CX; 19mm inner rim width; 24mm profile; Material: aluminium Spokes: Black stainless Front Hub: VP CLK170F; 100x12mm; 28 spokes; Centerlock Rear Hub: MAHLE X35+ Hub motor
Front derailleur
Rear derailleurShimano GRX812; GS
Shifter/sShimano GRX600
ChainKMC e 11 Speed
CassetteShimano M5100; 11-42 teeth; 11 speed
ChainsetShimano GRX600; 40 teeth chainwheel with 170mm - XS/S/SM/ML, 175mm - L/XL length crank
Bottom bracketShimano BSA
PedalsVP Components, VPE-891
SaddleMerida Comp CC; V-mount
SeatpostMerida Expert CC; Material: carbon; 30.9mm diameter; in-line
MotorMAHLE B1-C 250Wh battery, MAHLE X35+ Hub motor
Battery capacity250 Wh