Rocky Mountain Bicycles.

Rollover image to zoom
DATA/BIKE/836_header.jpg

OXYGEN 30 AC

Road, Road

Specification

FrameRMB Form 7005 Alloy Super Triple Butted Tubes With Delta Process Moulding T/T & Carbon S-Bent S/S
ForkCarbon W/ Alloy Steerer
Front TravelN/A
Rear ShockN/A
Rear TravelN/A
Head SetFSA Orbit CS Threadless W/15mm Alloy Top Cover
StemRMB Flip-Flop 7° X 90-100-110-120-130mm
HandlebarFSA Wing Compact 31.8mm X 400-420-440mm
BrakesTektro R310 Alloy Dual Pivot
Brake LeversWith Shifter Levers
ShiftersShimano Tiagra 9spd
Gearing (FR)Shimano Tiagra 34.9mm
Gearing (RR)Shimano Tiagra
Cranks & ChainringsFSA Omega EXO 170-172.5-175mm 50/39/30T
Bottom BracketFSA Mega EXO
PedalsN/A
Hubs (FR)Shimano WH-R500A
Hubs (RR)Shimano WH-R500A
CassetteShimano Tiagra-9 12-25T
ChainShimano Tiagra
SpokesShimano WH-R500A
RimsShimano WH-R500A
Tires (RR/FR)Vittoria Zaffiro 700X25C F.V.
Seat PostRMB 31.6mm
SaddleRocky Mountain Road

Geometry

Size48 cm51 cm54 cm57 cm60 cm
Head Length
Head Angle72.5°72.5°72.5°73°73.5°
Seat Angle75°74°73.5°73°72.5°
Seat Tube length440470500530560
Horiz. Toptube Length52053,555057,5600
Headtube Length120145170205230
Chainstay Length407407410415418
BB Drop71,571,57068,568,5
Wheelbase97197699010101026
Front-Centre
Standover Height726749776810836
Fork Rake4545454545
Seat Tube (center-center)

Delta Process Moulding


Don’t get excited. That’s top tube, not tube top. Now that we’ve cleared that up, let’s talk Delta Process Moulding (DPM). What is it? Well, it’s a newly designed shape that increases lateral stiffness. In other words, major performance.Think triangles – tubes are wider at headtube than at the seatube, both vertically and horizonally. This increases front triangle stiffness and front braking perfomance.

Oxygen

    Ride Guide

  • Fitness/Training / 100%
  • Recreational / 100%
  • Commuting / 65%