amazon bike helmet with coms 10 Best eBike Helmets on (2026) CPSC Safety Standard for Model:GT rohloff HS OS (28 mph) air travel Lightest Electric Bikes: Ultra
Lightest Electric Bikes: Ultra Light Design and Easy Handling - Urtopia
I’ll get some better shots taken but I managed to room in on the original pic of it outside my shed
air travel
Model:GT rohloff HS OS (28 mph)
On the TT bike the Di2 offers a distinct advantage with multiple shift points and Fabian prefers to take advantage of that." Complete bike specifications Frame: Trek Speed Concept 9.9, size L Fork: Bontrager SC Headset: Trek Speed Concept integrated Stem: Bontrager Speed Concept RXL direct mount, 100mm x 10° Handlebars: Bontrager Speed Concept, 42cm (c-c), w/ custom straight extensions Tape/grips: Bontrager cork Front brake: Bontrager Speed Concept integrated w/ Bontrager carbon-specific cork pads Rear brake: Bontrager Speed Concept integrated w/ Bontrager carbon-specific cork pads Brake levers: Shimano Dura-Ace Di2 ST-7971 Front derailleur: Shimano Dura-Ace Di2 FD-7970 Rear derailleur: Shimano Dura-Ace Di2 RD-7970 Shift levers: Shimano Dura-Ace Di2 ST-7971, SW-7971 Cassette: Shimano Dura-Ace CS-7900, 11-23T Chain: Shimano Dura-Ace CS-7900 Crankset: SRM Wireless PowerMeter DuraAce 7900 Compatible, 177.5mm, 54/40T Bottom bracket: Trek BB90 integrated with Enduro XD-15 bearings Pedals: Speedplay Zero Stainless Rear wheel: Carbonsports Lightweight Disc tubular Front wheel: Bontrager Aeolus 5.0 tubular Front tire: Schwalbe Ultremo HT tubular Rear tire: Schwalbe Ultremo HT tubular Saddle: Prologo Nago Evo TTR Seat post: Bontrager Speed Concept Race X Lite, 50mm offset Bottle cages: Bontrager Speed Bottle Computer: SRM Power Control 7 Critical measurements Rider's height: 1.86m (6' 1") Rider's weight : 82kg (181lb) Saddle height, from BB (c-t): 809mm Saddle setback: 62mm Seat tube length, c-t: 559mm Seat tube length, c-c: ----- Tip of saddle nose to armrest center: 605mm (to armrest center) Saddle-to-bar drop (vertical): 168mm (to armrests) Head tube length: 127mm Top tube length: 541mm (horizontal) Total bicycle weight: 8.41kg (18.54lb)
CPSC Safety Standard for Bicycle Helmets for Persons Age 8 and Older
