Kolb Rahmenbau Aerocross

Frame:
Wim Kolb from Kolb Rahmenbau fillet brazed custom frame with Columbus max toptube. 38mm spirit downtube. Custom spirit headtube, chain- and seatstay, T47bb and pmw stainless x12 Syntace dropouts with Shimano direct mount hanger. Weight transparency data: -Raw unpainted frame 2260g -Painted frame with 4x 20µ Cerakoatings (0,08mm total) 2310g

Fork/Headset:
Carbon Brother Cycles Road Fork / Axle-to-crown 381mm / Offset 45 / tapered 1 1/8 – 1 1/2″ / 100x12mm CARBON-TI X-Lock EVO M12x1.5Px120mm Axle / Hope EC44/40 lower bearing 52mm 40mm 45&45 / Custom adapted ZS44/28.6 silver top bearing

Crankset/Bottom Bracket:
Ultegra FC-R8100 50/34 165mm / Chris King T47i 24mm Ceramic matte slate

Pedals:
XTR PD-M9100 tuned with Meti grade 5 titanium axels and 686 6x13x5 ceramicspeed coated bearings or stock Dura-Ace PD-R9100

Drivetrain/Cog/Chainring/Chain:
Cassette Dura-Ace CS-R9200 11-34 / Chain "Dura-Ace" XTR CN-M9100 waxed with silca secret hot blend wax

Derailleurs/Shifters:
Ultegra Di2 RD-R8150 with EW-SD300 1200mm/ FD-R8150 with EW-SD300 650mm / ST-R8170 with Y63X98050 Ti clamp band unit

Handlebars/Stem:
Pro Carbon 400mm / Custom Ritchey Chicane WCS 110mm with tubus tara Ti custom drilled garmin mount

Saddle/Seatpost:
China Carbon Saddle / Thomson Masterpiece 27,2 with Custom long Di2 wedge handmade from Rob English tuned with discontinued smud-carbon cradle and titanium hardware and internal BTDN300 battery

Brakes:
Dura-Ace BR-R9270 front / XTR BR-M9110 rear because the XTR bleed nipple is not sideways. The new 9270 bleed boss is on the outside and covered from the lowered seatstay so it would be mandatory to dismount the brakecaliper to bleeding the system / BCA Yoda Centerlock 240/160mm rotors

Front Wheel/Hub/Tire:
690g Nextie Carbon 50mm NXT50GX ERD541mm 425g 50x29x22mm laced with 24x 260mm Sapim CX-Ray to DT-SWISS 350 with black Sapim polyax 12mm brass nippel and Sapim 0.6x9,5x14 mm stainless plates

Rear Wheel/Hub/Tire:
820g Nextie Carbon 50mm NXT50GX ERD541mm 425g 50x29x22mm laced with 28 Sapim CX-Ray (DS256mm, NDS258mm) to DT-SWISS 350 with black Sapim polyax 12mm brass nippel and Sapim 0.6x9,5x14 mm stainless plates

Accessories:
2x King Cage Titanium / plenty of Pro-Bolts drilled titanium racebolts / Meti Titanium Pedal Axels from italy /

More Info:
Maintanance Intervalls: -grease seatpost every 12 month, (done Feb 2023) -apply body cavity spray every 12 month. (done feb 2023) Total weight 9.6kg in CX mode and 9,4kg in road mode. with pedals, bottlecages and garminmount.