Spectra 275


  • New Lightweight 6061 alloy frame
  • SR Suntour XCR Air suspension fork, 100mm travel
  • SUNRingle Helix TR25 wheels
  • Weight: 12.97kg
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The Spectra 275 combines all the features of a top-level cross-country bike at a fraction of the price. The lightweight aluminium frame of the Spectra has been upgraded and includes features such as a tapered headtube and internal cable routing. The 27.5" wheel size gives you nimble handling and quick acceleration, perfect for the tight corners on a cross-country course. The 100m Suntour XCR Air fork with hydraulic lockout rebound adjust will allow you to fine-tune your suspension to your personal preference. Giving you the ability to lock it out from your handlebars. This 27.5” hardtail is fitted with a tubeless ready wheelset and can easily be converted to a tubeless set up. The Shimano M315 hydraulic disc brakes offers smooth braking in all weather conditions.
Mountain bike - Spectra 27.5 - Silverback Bikes

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Crankset Shimano MT500, 36x26t, Black
Cassette Shimano HG-50-10 10 Speed 11-36t
Rear Der Shimano XT M786 Shadow Plus Long Cage, Silver
Front Der Shimano FD-M6025-H, Down Swing, Dual Pull
Shifters Shimano Deore 10 Speed, Black
Fork SR Suntour XCR Air, 100mm, Hydraulic Lockout and Rebound Adjust, QR
Hubs Front Hub: Shimano TX505 100x9, Centrelock, Rear Hub: Shimano TX505-8 135x9, Centerlock
Rims SUNringle Helix TR 25, Tubeless Ready
Tyres Maxxis Sphinx 27.5x2.1" Wire Bead, 27Tpi
Seatpost Sector Aluminium, Black L: 350 for size S, L: 350 for size M, L: 400 for size L, L: 400 for size XL,
Saddle Sector Ergo, Black Steel Rails
Handlebar Sector Alloy Handlebar, Dia:31.8mm, Backsweep:9°, Rise 5mm; W: 720 for size S, W: 740 for size M, W: 740 for size L, W: 760 for size XL,
Stem Sector Alloy Stem, 31.8mm, Rise 6°, with stainless steel bolts; L: 60 for size S, L: 70 for size M, L: 70 for size L, L: 80 for size XL,
Frame 29" Oversize 6061 Aluminium, 1-1/8" headtube, 135mm QR Dropouts
Brake set Shimano M315 Hydraulic Disc Brakes, Resin Pads, Rotors: Shimano SM-RT10 180mm/160mm, Centrelock
Weight 12.97kg (Medium Frame, with tubes, without pedals)
Weight Limit 120kg
Travel F: 100mm

Spectra 275 Geometry
Map Type XS S M L
A SEAT TUBE C/T 360 400 440 495
B HEAD TUBE ANGLE 69 69 69 69
C SEAT TUBE ANGLE 73.5 73.5 73.5 73
D TOP TUBE 554 578 603 628
E REACH 380.2 402.8 426.4 448.6
F CHAINSTAY LENGTH 435 435 435 435
G BB HEIGHT 314.5 314.5 314.5 314.5
H WHEELBASE 1069 1094 1119 1145
I HEAD TUBE LENGTH 105 110 115 125
J STACK 586.9 591.5 596.2 605.5
K STANDOVER 757.7 769.4 784.8 813



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