SUMMUM CARBON PRO

DH

Technical specificationsHighlights

  • Rear shock

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

  • Fork

    Fox 40 27´5 FIT4 LSC Performance Elite 203mm, Coil Spring, steerer tube 1-1/8", thru axel 20mm, adjustments: low-speed compression, rebound, spring preload.

  • Rings

    36 teeth.

  • Rear derailleur

    Sram GX Type 2.1 with Roller Bearing Clutch and Cage Lock, 1x7s short cage, X-Horizon system.

  • Weight without pedals

    16.3kg.

components

Technical specifications

  • Frame

    Summum 27´5 Stealth Full Carbon, Zero Suspension System, Forward Geometry, aluminium upper links with bearings on the shock eyes, 12 x 150mm rear axle, 83mm BSA bottom bracket, MAX. capacity sealed bearings, internal cable routing, ISCG 05, *optional Geometry Kit, 205mm travel.

    Sizes

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

  • Rear shock

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

    Shock setting

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

  • Fork

    Fox 40 27´5 FIT4 LSC Performance Elite 203mm, Coil Spring, steerer tube 1-1/8", thru axel 20mm, adjustments: low-speed compression, rebound, spring preload.

    Headset

    Onoff ZS internal for 1-1/8” steerer tube, 36º/45º ACB sealed bearings, 56mm external diameter cups.

  • Stem

    Onoff Stoic DH Integrated FG, 20-30mm adjustable length. 6061 aluminium, 31.8mm barbore.

    Handelbar

    Mondraker double butted 6061 aluminium, exclusive design for Summum Pro, 1” rise, 780mm width, 9º backsweep, 5º upsweep, 31.8mm barbore.

  • Grips

    Onoff Paw, Kraton/gel, double lock-on, 130mm.

    Seatpost

    SDG I-Beam SP-751 Alloy 31.6, 300mm length and micro-adjustment.

  • Saddle

    SDG I-Beam I-Fly, High-density PU, Cordura side protection.

    Front brake

    Sram Guide R 203mm rotor, 4-piston caliper, 6-hole one-piece rotor centerline, semi-metallic pads.

  • Rear brake

    Sram Guide R 203mm rotor, 4-piston caliper, 6-hole one-piece rotor centerline, semi-metallic pads.

    Brake lever

    Sram Guide R, Brake lever reach adjust, Interchangeable brake levers.

  • Rim

    Dt Swiss FR570 27’5, 33mm external width, tubeless ready. 32 holes.

    Spokes

    CN stainless steel butted 2.0-1.8-2.0.

  • Front hub

    MDK Disc Pro DH 20mm x 110mm, IS 6 bolts.

    Rear hub

    MDK Disc Pro DH 12mm x 150mm, sealed bearings, IS 6 bolts.

  • Front tyre

    Maxxis Minion DHR II 27’5 x 2.4 Super Tacky Compound, Wire.

    Rear tyre

    Maxxis Minion DHR II 27’5 x 2.4 Super Tacky Compound, Wire.

  • Crank

    Truvativ Descendant 1.1, aluminium, 94 BCD, 165mm.

    Rings

    36 teeth.

  • Bottom bracket

    Sram GXP XR, sealed bearings, 83mm.

    Pedals

    /

  • Chain

    Sram PC-1031 10s.

    Front  derailleur

    E.13 LG1 chain guide + DMB (Direct Mount Bashguard) Gen 2 Stealth Idler, Aluminum hardware, adjustable/replaceable lower armature, solvent-resistant polycarbonate, larger ISCG 05 mount holes, adjustable upper slider opens without tools.

  • Rear derailleur

    Sram GX Type 2.1 with Roller Bearing Clutch and Cage Lock, 1x7s short cage, X-Horizon system.

    Lever

    Sram Trigger GX, Zero Loss technology, Exact actuation.

  • Sprocket

    Sram PG-720 11-25T 7s.

    Hanger

    Mondraker M063.

  • Others

    *Optional Geometry Kit: Chainstay adaptors for 445mm, 450mm, 455mm, 460mm. Steering cups of: 0º, +/- 1º, +/-2º. Brake adaptors of: 455mm, 460mm.

    Weight without pedals

    16.3kg.

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 65º 65º 65º 65º
G Seat Tube Angle, Effective 73.5º 73.5º 73.5º 73.5º
H Head Tube Angle 63º (+/-2º) 63º (+/-2º) 63º (+/-2º) 63º (+/-2º)
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

RANGE SUMMUM CARBON

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