Administrators SickBiker Posted December 15, 2017 Administrators Share Posted December 15, 2017 Quote Link to comment Share on other sites More sharing options...
Graz Posted October 23, 2018 Share Posted October 23, 2018 (edited) Deput post - Hello!! Thanks for the video - I watched with interest but length is a factor nobody seems to commit to - perhaps a good video topic I am sure several struggle with this! I am building an XC bike for my 11yo girl from new and as-new re-purposed parts, and my plans are for TWITTER frame (26 or 27.5 compatible), bottom bracket width is 68mm, threaded MANITOU R7 fork SLX 1x11 (11-42) / SLX shifter and mech 26" Shimano M15 wheels (for now) Ardent/Ikon Toseek bars/stem/post Shimano M395 brakes Basic velo saddle all above fixed Variables are the crank (choice here) and bottom bracket (yet to buy); Shimano Octolink (3x stripped and given a 34t or 36t ali single ring) - this needs an octolink BB or Truvative 1x (steel 38t removed, 34tor 36t ali single ring) - this needs a square taper BB Finding the balance in theory for the correct BB lengths has me concerned - as real low gears are likely to be rarely used but irritating if slipping off back-pedaling, high gears more likely to be used (9/10/11) on trips. Use for the bike would be cycle paths, gentle trails, some climbs, much flat as I am trying to build my youngest daughter's interest in cycling! Personally tending towards octo/113mm, but inexperienced with 1x. Any experienced tips welcome! Hopeful - Graz btw - this will replace a small frame GT Avalanche 2 (14kg), sweet child bike but heavy... Edited October 23, 2018 by Graz missed a bit : ) Quote Link to comment Share on other sites More sharing options...
Administrators SickBiker Posted January 1, 2019 Author Administrators Share Posted January 1, 2019 On 10/23/2018 at 2:02 AM, Graz said: 34t or 36t I would start with the chainrings, Graz. I've been riding the 32T chainrings with 10-50T cassette so far. Are you sure 1x drivetrain with 34 or 36T will be OK for you daughter? Otherwise, the Octalink should be a bit lighter and just more up-to-date BB. Quote Link to comment Share on other sites More sharing options...
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