Incoming: SRAM X0 front derailleur, KMC X10SL chain, Woodman Carbon seatpost with Ti hardware, 140mm KCNC Razor brake rotor, XTR M970 11-32 cassette, Ti bolts for brake caliper.
Outgoing: XTR M971 Front derailleur, KMC X9SL chain, S-Works carbon seatpost, XX 160mm brake rotor, XTR Yumeya 11-34 cassette, brake adaptor and bolting/washers.
Reasons for replacement: shifting on the Frankenstein 9/10 speed drivetrain was inconsistent, less rear braking power required, lower weight needed.
Weight savings:
Cassette: 7g
Post: 85g
Front Derailleur: 11g
Chain: 18g
Brake rotor: 7g
Rear brake adaptor + bolting: 26g
Total: 154g
New weight 19.8lbs (9kg)
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| New KCNC 140mm rear rotor |
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| Outgoing bracket and steel bolting for 160mm rear rotor |
Sarah, this is very cool!
ReplyDeleteafter you kick CC, let's put my bike on a diet!