Surly 2021 CROSS-CHECK Frame Fork Set

619.99

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Surly 2021 CROSS-CHECK Frame Fork Set. Steel Commuter Bike That Can Do it All. There is no such thing as one bike that can do it all, but Cross-Check comes pretty damn close. It’s a dyed-in-the-wool commuter and utility rig. It was a “gravel crusher” long before “gravel bikes” existed. Some people have even raced cyclocross on it. Though, we don’t necessarily condone that behavior.

Cross-Check was the first complete bike we ever offered. Since then, people have modified them hundreds of different ways to suit their riding styles and preferences. There’s a reason that nearly every person who has ever worked for Surly has owned one.

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SKU: 4923006XX21 Categories: , Tags: , ,
  • Semi-horizontal dropouts for singlespeed compatibility and wheelbase adjustability
  • Gnot-Rite dropout spacing allows installation of 130 and 135mm hubs
  • Accommodations for front and rear racks and fenders
  • Clearance for 700c x 42mm tires with or without fenders
Frame Construction 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated
Fork Construction 4130 Chromoly, Natch tubing, double-butted tapered fork blades, brazed lugs, ED coated
Rear Dropout Configuration Semi-horizontal
Rear Hub Spacing “Gnot-rite” 132.5mm

10 x 130mm or 10 x 135mm

Front Hub Spacing 10 x 100mm
Rear Brake Rim – Canti
Front Brake Rim – Canti
Head Tube Ø34mm
Steerer Tube Ø28.6mm (1-1/8″)
Crown Race Ø30mm (1-1/8″)
Stock Headset Upper (S.H.I.S.) EC34/28.6
Stock Headset Lower (S.H.I.S.) EC34/30
Seat Collar Ø30mm
Seatpost Ø27.2mm
Front Derailleur (Clamp) Bottom-pull (Ø28.6mm)
Max Chainring (CL)[3] 1x (Road): 50T

2x (Road): 39/53T

Bottom Bracket 68mm threaded (1.37″ x 24TPI)
Tire Clearance Frame [1][2] 700c x 42mm with or without fenders
Tire Clearance Fork [1] 29 x 2.0″ with or without fenders
Rigid Fork Spec 400 x 44mm
Max Suspension Fork Length [4] N/A
Bottle Mounts Frame 2 Standard
Bottle Mounts Fork N/A
Rack Mounts Frame Yes (upper and lower threaded)
Rack Mounts Fork Yes (upper and mid-blade threaded)
Fender Mounts Frame Yes
Fender Mounts Fork Yes
Other Features Downtube mounted shifter bosses

 

SIZE 42cm 46cm 50cm 52cm 54cm 56cm 58cm 60cm 62cm 64cm
Reach 378.7 380.8 389.1 389.7 394.8 394.3 398.3 407.3 411.0 424.5
Stack 528.0 528.0 528.0 528.0 538.4 556.5 575.7 593.6 612.7 630.9
Head Tube Angle 72.0° 72.0° 72.0° 72.0° 72.0° 72.0° 72.0° 72.0° 72.0° 72.0°
Head Tube Length 91.0 91.0 91.0 91.0 102.0 121.0 141.0 160.0 180.0 200.0
Seat Tube Length 420.0 460.0 500.0 520.0 540.0 560.0 580.0 600.0 620.0 665.0
BB Drop 66.0 66.0 66.0 66.0 66.0 66.0 66.0 66.0 66.0 66.0
Wheelbase 989.8 991.9 1005.2 1005.9 1014.3 1019.7 1029.9 1044.7 1054.7 1074.6
Chainstay Length 420.0 420.0 425.0 425.0 425.0 425.0 425.0 425.0 425.0 425.0
Top Tube Length, Actual 505.0 515.0 535.1 545.1 559.9 569.9 579.8 599.8 609.9 630.0
Top Tube Length, Effective 522.0 528.8 541.8 547.1 560.0 570.0 580.0 600.0 610.0 630.0
Seat Tube Angle 75.0° 74.5° 74.0° 73.5° 73.0° 72.5° 72.5° 72.0° 72.0° 72.0°
Standover Height 747.9 766.7 784.4 794.4 809 826.7 845.9 863.4 882.2 901.8
Stem Length 70 80 80 100 100 100 120 120 120 120
Stem Angle
Handlebar Width 400 400 400 420 420 440 440 460 460 460
Crank Length 170 170 170 170 175 175 175 175 175 175
Fork Length 400.0 400.0 400.0 400.0 400.0 400.0 400.0 400.0 400.0 400.0
Fork Rake 44.0 44.0 44.0 44.0 44.0 44.0 44.0 44.0 44.0 44.0

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Brand

Surly

Surly is an American bicycle steel frame producer based in Minnesota. The manufacturer offers us a wide range of bikes, from fat bikes to travel bikes and fixed gears. Also, in chromo, the tubing is unique for each model and size. Reliability and versatility are essential for this brand. Surly slogan "We make serious steel bikes for people who don't take themselves too seriously."
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