News

The Tarmac SL8 ships with a 19.5 g steel seat clamp bolt. TiNE's titanium direct replacement (bolt + matched nut) weighs 7.1 g, saving 12.4 g per bike in a one-for-one swap. Compatible with SL6, SL7, and SL8 straight-head seatposts (not SL9). Grade 5 Ti-6Al-4V, CNC, 8 anodized colors.

TiNE's Darimo seatpost shim kit weighs 17.9 g versus the 28.9 g stock alloy set, saving 11.0 g directly under the saddle. Built with a carbon base, two 7075 aluminum shims, and two CNC-machined Grade 5 Ti-6Al-4V bolts in 8 anodized colors. Saddle height, angle, and fore-aft position stay identical to stock. Compatibility limited to Darimo seatposts.

Headset cover weight comparison by frame version: alloy caps weigh 8–12 g. TiNE titanium topology-optimized covers drop to 4.2–9.0 g depending on frame shape (universal round, SL8/SL9, Pinarello, EXS). Covers preload function, version compatibility, and design approach.

Water bottle cage bolt weight comparison: stock steel M5 bolts weigh roughly 1.5–2 g each, totaling 6–8 g per bike with two cages. TiNE titanium replacements (M5×10 at 0.7 g, M5×14 at 0.8 g) drop the total to roughly 3 g — a 3–5 g saving with no strength compromise. Bolt-by-bolt data table and color matching tips included.

SRAM RED AXS bolt kit weight breakdown: stock 139g (shifter hose bolts 2g, front brake mount 12g, derailleur pivot 5.2g, crankset bolts 11.2g, plus remaining hardware). TiNE titanium weighs 77.7g total, saving 61.3g. The front flat-mount brake adapter is the single largest saving at 5.5g. Covers step-by-step install sequence and flat-mount vs SL8-specific brake mount options.

Shimano 12-speed groupset bolt kit weight comparison: stock steel weighs 179.3g on 105 R7100, 145.3g on Ultegra R8100, 117.7g on Dura-Ace R9270. TiNE titanium replacement kit weighs 69.9g across all three — the weight gap comes entirely from stock hardware. Covers shifters, calipers, derailleur, and crankset zones with per-item data.

How much does a Shimano rear derailleur pivot bolt weigh? The 105 R7170 uses a thick steel pin at 8.4g — the heaviest single bolt in the entire derailleur and the biggest bolt-saving opportunity at 6.4g with a Grade 5 Ti-6Al-4V replacement (2.0g). Dura-Ace R9270 and Ultegra R8170 already use a lighter 3g bolt; titanium saves an additional 1g. Covers the pivot bolt's structural role (parallelogram main shaft), why Shimano left 105 with the heaviest version, thread prep for titanium in aluminum, and torque notes.

How much does the headset top cap weigh on a Specialized Tarmac SL8 or SL9? Stock caps run 10-16g depending on material. A topology-optimized titanium cap at 6.0g places material along the compression load path and removes it from zero-stress zones. Covers structural role (bearing preload distribution), why the cap is an ideal topology candidate (simple single-bolt compression path), direct compatibility with existing star nuts/expanders, and differences from universal round caps.

Does the Garmin Edge 1050 need its own mount? At 161g the 1050 is 38% heavier than an 840, and its 3.5-inch screen overhangs standard arms — visible wobble on rough descents. A topology-optimized 3D-printed titanium mount provides a wider arm bed and distributes weight more evenly. Includes a detachable 3.8g GoPro/light under-mount. Covers standard vs 1050-specific arm comparison, lever-arm physics of a heavier head unit, and FAQ on backward compatibility and GoPro/light cage attachment.