AUTHOR Ronin XC 2020 - cromoly frame with triple butted reynolds tubes

AUTHOR Ronin XC 2020Cromoly frame with triple butted REYNOLDS tubes  |  Groupset SHIMANO GRX  |  Hydraulic brakes SHIMANO GRX

Technical specification

Size500, 520, 540, 560, 580 mm
Frametriple butted chromoly REYNOLDS
Front forkAUTHOR alloy 1.5" tapered
Head partsPRESTINE Integrated 1.5" tapered
Chain WheelSHIMANO GRX 600-1 40 teeth 170 / 172.5 / 175 mm cranks
Rear derailleurSHIMANO GRX 812
ShiftersSHIMANO GRX 600 (112)
Free wheelSHIMANO HG700-11 11-42 (11)
ChainKMC X11 EL
HubsSHIMANO 105 Disc 32 holes
BrakesSHIMANO GRX 400 disc hydraulic (160 mm rotors)
Brakes leversSHIMANO GRX 600
RimsJALCO SR240 6505D 32 holes
Spokesstainless steel hi-ten 2.0 mm black
TiresPANARACER Gravel King SK Kevlar 650B × 48c
HandlebarRITCHEY Road ErgoMax 420 / 440 / 460 mm
TapesAUTHOR microfiber / gel
StemRITCHEY Comp 4-Axis
Seat postRITCHEY Comp (27.2)
Seat clampAUTHOR (29.8)
SaddleAUTHOR Guru CR
Weight10,9 kg /54

Geometry and sizes

Size 500 520 540 560 580
Min. figure [cm] 160 168 176 186 193
Max. figure [cm] 170 178 188 195 205
S/T c-t [mm] 500 520 540 560 580
S/T c-c [mm] 460 480 500 520 540
T/T h [mm] 530 545 560 580 595
T/T a [mm] 517 530 544 562 575
H/T [mm] 120 140 160 180 200
C/S [mm] 425 425 425 425 425
W/B [mm] 1020 1026 1037 1047 1051
S/T ang. [°] 74.5 74 73.5 73 72.5
H/T ang. [°] 70.5 71 71 71.5 72
F/L [mm] 404 404 404 404 404
B/B drop [mm] 70 70 69 68 68
B/B width [mm] 50 50 50 50 50
Reach [mm] 378 382 386 395 397
Stack [mm] 548 569 587 607 628
F/R [mm] 68 68 68 68 68
Handlebars [mm] 420 440 440 460 460
Stem [mm] 70 90 90 110 110
Cranks [mm] 172 172 175 175 175
max min
AUTHOR Ronin XC 2020

The recommended size and stature are just indicative. It is recommended to always consult your choice with the dealer.

  • S/T c-t - seat tube (center-top), length of the seat tube from the middle of BB parts to its peak
  • S/T c-c - seat tube (center-center), length of the seat tube from the middle of BB parts to an axle of the upper tube
  • T/T h - top tube horizontal, horizontal lenght of the upper tube
  • T/T a - top tube actual, real lenght of the upper tube
  • H/T - head tube, head tube lenght
  • C/S - chain stay, chain brace lenght
  • W/B - wheel base, wheelbase (front and rear axle lenght)
  • S/T ang. - seat tube angel, angle between the seat tube axis and an imaginary line connecting the axes of the front and rear wheel
  • H/T ang. - head tube angel, angle between the head tube axis and an imaginary line connecting axes of the front and rear wheels
  • F/L - fork length, fork length from the head parts bottom to the middle of the front wheel
  • B/B drop - bottom bracked drop, lenght between an imaginary line connecting wheels centers and BB parts, measured from BB parts
  • F/R - fork rake, distances between the head tube axis and fork axis measured at center of the front wheel, so-called. off set


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Product options

grey-matt / red50 = UA#42930502   52 = UA#42930503   54 = UA#42930504   56 = UA#42930505   58 = UA#42930506

additional accessories

AUTHOR Bottle cage ACP-X26 KarbonCreated using AUTHOR X26 Carbon - tech construction is superbly strong and incredibly light. Elegantly designed, it holds true to its function ...AUTHOR Bottle cage ACP-X26 KarbonAUTHOR Hand pump AAP Pipe Telescope ALThe AUTHOR Pipe Telescope alloy mini pump provides fast and simple tyre inflation with a maximum pressure of 100psi (0,69 Mpa). It is compatible ...AUTHOR Hand pump AAP Pipe Telescope ALAUTHOR Mini pump AAP AirStream ALThe Author Airstream minipump easily fits in your jersey pocket. This elegant mini pump features an all composite body, head and pump handle and ...AUTHOR Mini pump AAP AirStream ALAUTHOR Stand AKS-530 RSAlloy kick stand designed for direct rear fork down tube fixation (tube profile 22 - 25mm), recomended for bicycles with rear disk brake. Adjustable ...AUTHOR Stand AKS-530 RSAUTHOR Carrier ACR-16-AluA tough rear rack AUTHOR ACR-16-Alu. Equipped with adjustable legs to fit most 24” to 29” wheel MTB and 700C touring bikes This tough tubular ...AUTHOR Carrier ACR-16-AluAUTHOR Carrier ACR-20N-Alu Carrier Author Expedition for extreme load and conditions, made from AL6061 tubes d.10mm - light weight and rigid construction with triple side ...AUTHOR Carrier ACR-20N-AluAUTHOR Mudguard front X-Mudy CrossFront mudguard AUTHOR, for down tube mounting, fabric plastic.AUTHOR Mudguard front X-Mudy CrossAUTHOR Mudguard rear X-Bow CrossRear mudguard AUTHOR, modern shorter mudguards with universal bracket, fabric plastic. Weight 135g.AUTHOR Mudguard rear X-Bow CrossAUTHOR Mudguard rear X-Flap SeatThe mudguard AUTHOR X-Flap with fast and easy clipping system on saddle rails will make the laziest cyclists without excuses to arrive dirty. Offers ...AUTHOR Mudguard rear X-Flap SeatAUTHOR Mudguards AXP-12High quality AUTHOR AXP full length mudguard set. Fenders are constructed from PET plastic and carry an aluminum foil insert, making them durable ...AUTHOR Mudguards AXP-12AUTHOR Front carrier ACR-F14-AluA tough tubular aluminium front rack. Designed specifically for front suspension fork with brake pivots or with disc brakes only, for wheel diameter ...AUTHOR Front carrier ACR-F14-AluAUTHOR Frame bag A-R260 ProLongThe Author saddle bag A-R260 ProLong is the universal bag with the one main compartment and one flat pocket. Designed for long satisfied use. Universal ...AUTHOR Frame bag A-R260 ProLongAUTHOR Frame bag A-R270The Author saddle bag A-R270 16" is the universal bag with the one main compartment and one flat pocket. Designed for long satisfied use. Universal ...AUTHOR Frame bag A-R270AUTHOR Saddle bag A-S315 TPNThe Author saddle bag A-S315 TPN is the easy bag with the one main pocket and separate compartments for tool. Designed for long satisfied use, ...AUTHOR Saddle bag A-S315 TPNAUTHOR Saddle bag A-S3152 SuMo X9 The AUTHOR SuMo  big seat bag for big trips. Take it on the every route - easy strong fixation for extreme ride. The SuMo X9 is the 3rd generation ...AUTHOR Saddle bag A-S3152 SuMo X9AUTHOR Saddle bag A-S351 QF9AUTHOR A-S351 sadle bag with the Quick Fix 9 bracket for quick and easy fixation. The special bracket for quick and easy fixation. Reflective ...AUTHOR Saddle bag A-S351 QF9AUTHOR Head Light A-Solaris 300 lm USBThe Author Solaris 300 lm is a premium light with an elliptical beam and 300 lumens of light output for fantastic visibility. There is light mode ...AUTHOR Head Light A-Solaris 300 lm USBAUTHOR Flashing light A-Stake USB 20lmThe Author Stake USB features superior visibility with hi-end COB LED technology, providing a new level of safety. Build in clothing clip in strong ...AUTHOR Flashing light A-Stake USB