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Article published at:
September 02, 2026
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Shimano 105 R7170 Titanium Bolt Kit 109g Weight Distribution Breakdown
The TiNE Shimano titanium bolt kit saves 109.4g from 105 R7170, but the savings are not evenly spread. Hydraulic and derailleur bolts account for 22% of the total. Why 105 owners benefit most from the same 69.9g kit.
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