SUMMUM CARBON PRO

DH

Technical specificationsHighlights

  • Frame

    Summum 27´5 Stealth full Carbon, Zero suspension system, 205mm travel, Forward Geometry, alloy upper link with shock eyelet bearings, 12x150mm rear axle, 83mm BSA bottom bracket, MAX. capacity sealed bearings, internal cable routing, ISCG 05. *Optional Geometry kit

  • Rear shock

    Fox DHX2 Performance Elite, 222x70mm. Settings: low-speed compression, low-speed rebound, spring preload

  • Fork

    Fox 40 27´5 Float GRIP EVOL Performance Elite, 203m, air spring, 1-1/8” steerer tube, 20x110mm axle. Settings: low-speed compression, low-speed rebound, air preload

components

Technical specifications

  • Frame

    Summum 27´5 Stealth full Carbon, Zero suspension system, 205mm travel, Forward Geometry, alloy upper link with shock eyelet bearings, 12x150mm rear axle, 83mm BSA bottom bracket, MAX. capacity sealed bearings, internal cable routing, ISCG 05. *Optional Geometry kit

    Sizes

    S: 400mm / M: 400mm / L: 400mm / XL: 400mm

  • Rear shock

    Fox DHX2 Performance Elite, 222x70mm. Settings: low-speed compression, low-speed rebound, spring preload

    Shock setting

    Firm compression, light rebound. Spring rate: S size 450 lbs, M size 500 lbs, L/XL size 550 lbs

  • Fork

    Fox 40 27´5 Float GRIP EVOL Performance Elite, 203m, air spring, 1-1/8” steerer tube, 20x110mm axle. Settings: low-speed compression, low-speed rebound, air preload

    Headset

    Onoff Mercurium 1.5 ZS for 1-1/8” steerer tube, 41x30.15x7x45ºx45º ACB sealed bearings, geometry kit cups, external diameter 56mm

  • Stem

    Onoff Stoic DH Integrated FG, 20-30mm adjustable lengt, 31.8mm barbore, 6061 alloy

    Handlebar

    Mondraker double butted 6061 alloy, rise: 25mm, width: 780mm, 9º backsweep, 5º upsweep, 31.8mm barbore

  • Grips

    Onoff Diamond, 1lock-on, 130mm

    Seatpost

    SDG Micro I-Beam SP-751 Alloy, diameter 31.6mm, length 300mm, micro-adjustment

  • Saddle

    SDG I-Fly 2.0 I-Beam, high-density PU foam, Cordura sides

    Front brake

    Shimano Zee M640, 4-piston caliper, RT66 203mm IS 6 bolts rotor, resin pads

  • Rear brake

    Shimano Zee M640, 4-piston caliper, RT66 203mm IS 6 bolts rotor, resin pads

    Brake lever

    Shimano Zee, ergonomic antiskid lever with servo wave, tool less reach adjust

  • Rim

    DT Swiss FR560 27’5, 30mm internal width, tubeless ready, 32 holes

    Spokes

    CN stainless steel butted 2.0-1.8-2.0

  • Front hub

    MDK Disc Pro DH, 20x110mm, IS 6 bolts

    Rear hub

    MDK Disc Pro DH, 12x150mm, sealed bearings, IS 6 bolts

  • Front tyre

    Maxxis Minion DHR II 27’5x2.4, Super Tacky compound, Wire bead

    Rear tyre

    Maxxis Minion DHR II 27’5x2.4, Super Tacky compound, Wire bead

  • Crank

    Shimano Zee M645, alloy, reinforced steel axle, 165mm

    Rings

    aluminium, 36T

  • Bottom bracket

    Shimano SM-BB52, 83mm

    Pedals

    /

  • Chain

    Shimano HG54, 10s

    Front  derailleur

    E.13 LG1 chain guide + DMB (Direct Mount Bashguard) Gen 2 Stealth Idler, Aluminum hardware, adjustable/replaceable lower armature, polycarbonate, ISCG 05, adjustable upper slider

  • Rear derailleur

    Shimano Zee RD-M640-SS, 10s, Shadow+, short cage

    Lever

    Shimano Zee SL-M640, 10s, 2-way release

  • Sprocket

    Shimano CS-HG500-10, 11-25T, 10s

    Hanger

    Mondraker M063

  • Others

    *Optional Geometry kit: chainstay and brake adaptors for 445mm, 450mm, 455mm, 460mm. Steering cups: +/- 1º, +/-2º

    Weight without pedals

    16,200

Measurements

Geometry

  Frame size S M L XL
A Seat Tube Lenght 400mm 400mm 400mm 400mm
B Top Tube Lenght 575mm 600mm 622mm 647mm
C Bottom Bracket Drop 0mm 0mm 0mm 0mm
D Bottom Bracket Height 350mm 350mm 350mm 350mm
E Chainstay Lenght 445-460mm 445-460mm 445-460mm 445-460mm
F Seat Tube Angle, Actual 65° 65° 65° 65°
G Seat Tube Angle, Effective 73.5° 73.5° 73.5° 73.5°
H Head Tube Angle 63°(+/-2°) 63°(+/-2°) 63°(+/-2°) 63°(+/-2°)
I Fork Offset 52mm 52mm 52mm 52mm
J Wheelbase 1200mm 1225mm 1250mm 1280mm
K Head Tube Lenght 112mm 112mm 122mm 122mm
L Reach 397mm 422mm 442mm 468mm
M Stack 597mm 597mm 606mm 606mm

SUMMUM CARBON RANGE

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