SUMMUM RR MULLET - Technical Specifications
Frame: Summum MX 6061 Alloy Stealth Evo, Mullet, hydroformed tubes, updated Zero Suspension System, 200mm trail, Forward Geometry, alloy upper link with damper eyelet bearing, SuperBoost 12x157mm rear axle, UDH, 83mm BSA lower mount, Enduro double capacity MAX bearings, HHG internal routing, ISCG 05. Optional Geometry Kit
Size: M / L / XL MX
Rear suspension: Fox DHX2 Factory Kashima, 225x75 mm, adjustments: high and low-speed compression, high and low-speed rebound, spring preload. Super lightweight steel (SLS) spring, Trunnion mount, 30x8 mm lower bushings
Suspension settings: Compression CL80, Rebound RL70, Rezi B80, Bleed 0.5, VVCM. Stiffness: M – 450 lbs / L – 500 lbs / XL – 550 lbs
Fork: Fox 40 29 Float GRIP X2 EVOL Factory Kashima, 203 mm, air shock, 1-1/8" steerer, 20x110 mm axle, 52 mm offset. Adjustments: high and low speed compression, high and low speed rebound, air preload
Headset: ONOFF ZS56/ZS56, 1-1/8”, sealed bearings, geometry kit cups, 62 mm external diameter
Stem: ONOFF S9 DH CNC Integrated, adjustable length 45-50 mm, 10 mm rise, 31.8 mm bore, 7075 alloy, 2x6 mm spacers
Handlebar: ONOFF S6 1.0 7050 alloy, 25 mm rise (L & XL: 38 mm), 800 mm width, 8º backsweep, 5º upsweep, 31.8 mm bore
Handles: Ergon GDH Team black
Seatpost: ONOFF S3 DH Alloy, 31.6 mm diameter, 300 mm length
Saddle: Ergon SM10 DH black
Front brake: Sram Maven Ultimate, 4 pistons (18 and 19.5 mm), HS2 220 mm disc, one-piece IS 6-bolt, sintered metal pads on steel
Rear brake: Sram Maven Ultimate, 4 pistons (18 and 19.5 mm), HS2 200 mm disc, one-piece IS 6-bolt, sintered metal pads on steel
Brake levers: SRAM Maven Ultimate, SwingLink, lever pivot bearings, tool-free reach adjustment
Rims: e*thirteen Grappler Flux Carbon, 30mm internal, tubeless, 28 spokes
Spokes: e*thirteen Sapim D-light / brass nuts
Front hub: e*thirteen Boost 20x110 mm, triple reinforced, machined aluminum, IS 6 holes
Rear hub: e*thirteen SuperBoost 12x157 mm, Sidekick, adjustable dead zone (12°/15°/18°), triple sealed, machined aluminum, 6° engagement, 6-bolt IS, XD freehub
Front tire: Maxxis Assegai 29x2.5 WT, tubeless, 3C Maxx Grip compound, DH casing, 60x2 TPI, folding bead
Rear tire: Maxxis Minion DHR II 27.5x2.5 WT, tubeless, 3C Maxx Terra compound, DH+ protection, 60x2 TPI, folding bead
Crankset: Sram X01 DH Carbon, DUB axle, direct mount chainring, 165 mm CL 56.5
Chainring: 36T aluminum X-SYNC
Bottom bracket: Sram DUB BSA, sealed bearings, 83 mm
Chain: Sram PC1110 11s Powerlock
Front derailleur: e*thirteen Vario Compact Upper Slider, alloy backplate, DMB (Direct Mount chainring guard), 34–36T lower slider, adjustable ISCG 05 upper slider
Rear derailleur: Sram X01 DH 7s, medium cage
Shifter: Sram Trigger X01 DH 7s, X-Actuation 1:1
Cassette: Sram PG 795 10–24T 7s
Derailleur hanger: Sram UDH
Other: Geometry kit included – steering cups ± 5 mm, lower shock absorber mounting insert, rear dropouts +5 mm / –5 mm
