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3-2 

Cutting the steerer

Assemble your preferred quantity of spacers, as well as the HS assembly, dry-fitting this arrangement onto the uncut steerer 
tube

Hand tighten the assembly to remove any play. Mark the steerer tube at 3mm lower than the top of the stem area

Carefully cut the steerer using a Park SG-6 or similar steerer cutting guide using a sharp fine tooth hacksaw blade. Carefully 
remove any burrs around the cut steerer by lightly sanding the area. 

Summary of Contents for Ostro Gravel

Page 1: ......

Page 2: ...Ostro Gravel manual...

Page 3: ...bicycle mechanic FACTOR BIKES assumes no responsibility for damages or injury due to improper assembly and installation of the product s To qualify for FACTOR S LIMITED LIFETIME WARRANTY please visit...

Page 4: ...ispute or claim arising out of or in connection to this limited warranty or its subject matter or formation including non contractual disputes or claims jumping downhill and or training for any such e...

Page 5: ...r s p Creak Freak Assembling Paste Loctite 243 M6x1 0 tap Instructions Similar to a Formula 1 car your Factor OSTRO requires a bit of patience and mechanical skill to achieve a truly impressive resul...

Page 6: ...hole attach Junction B to the end of the Di2 wire at the bottom bracket 1 2 Seat Attach seat to post applying carbon compound to the lower saddle clamp carbon seat post head All bolts should be lightl...

Page 7: ...tilt the frame downwards 1 7 Apply Black Inc Installation Compound to the inside of the seat tube Connect the Di2 cable to the battery Insert seat post into the frame to the desired height 1 8 Secure...

Page 8: ...derailleur inner wire and a 5mm metal cable ferrule to route your wires Note Similar to a Formula 1 car your Factor OSTRO Gravel requires a bit of patience and mechanical skill to achieve a truly impr...

Page 9: ...gh the chainstay 3 2 Install Di2 cable grommet 3 4 Connect to the Di2 Junction B 3 5 3 7 Connect to the Di2 Junction B 3 6 Install Di2 cable grommet Route the front derailleur Di2 cable through the se...

Page 10: ...the uncut steerer tube Hand tighten the assembly to remove any play Mark the steerer tube at 3mm lower than the top of the stem area Carefully cut the steerer using a Park SG 6 or similar steerer cut...

Page 11: ...gh the frame and out the headset install the anti rattle rear brake hose foam sleeve Insure that the clear plastic anti wear guard portion of the anti rattle hose covering is adjacent to the head tube...

Page 12: ...d install bearing over top of the hoses repeat this process at the upper bearing and install the fork Continue to assemble the rest of the headset components ensuring the hoses are not pinched when pu...

Page 13: ...ring seat and install bearing over top of the hoses repeat this process at the upper bearing and install the fork Continue to assemble the rest of the headset components ensuring the hoses are not pin...

Page 14: ...he steerer tube Tighten to 8Nm Lightly grease the compression cap screw and install tightening until the bearing preload increases to remove any play in the system Lightly grease stem bolts then apply...

Page 15: ...FDM If you are using a front derailleur install the mount as shown tightening to 3Nm If you aren t using a Front Derailleur mount look for the supplied blanking plate and attach with a single screw...

Page 16: ...ng the double go pro mount use the two supplied screws to install it If you are using accessories be sure to follow the manufacturer s instruction Combined weight of the two combined weight of the two...

Page 17: ...sh to add other accessories the second rearward double GoPRO mount works to keep the weight of those accessories towards the center of the stem reducing the moment arm about which the weight acts mini...

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