Brompton specific rear hub, optimal spoke camber, classic J-bend spokes, 2.8mm holes. 20-24-28H Compatible with A-C and P-T Line 112mm wide, oversized axle Ø17mm, ABEC5 cartridge bearings (high load capacity) with external hexagonal preload tuner. Hub is supplied with special Titanium bolts for extreme light wheel securing (B-Lock system). Titanium 32T ratched wheel, OR-spring oversized and sealed freewheel body. Black anodized hub-body with laser etched graphics. Bearing options: Abec5 Steel, 440C Stainless Steel, HDC Hybrid Ceramic, XD-15 Ceramic. Weight: 128g (B-Lock special securing system 7.8g - Tensioner bolt 3.8g)
Weight: 128g Width: 112mm Drilling: 28H Spoke holes: 2.8mm rounded Material: special AL7075TX & Grade5 Titanium Bearings: ABEC5 cartridges 1x6903-2RS 3x6803-2RS Special QR: Titanium Bolts for extreme light securing system 7.8g Tensioner Bolt: Special bolt for A-C Line tensioner, only 3.8g Axle Construction: multishaped 17mm, milled to micro tolerances Body Construction: 3D multiaxial machining all in 1 stage Finishing: black anodized body, "hart-coated" axle-ends Micro-Tuner: the quickest bearing preload system Freewheel: Hyper engineered 2pawls OR-Drive Ratchet: 32T Titanium engaging system Graphics: laser etched.
Hi-tech rarely combines with such easy tuning and maintenance easiness Micro-tuner: our easy and quick external bearing preload system that ensures precise bearing tuning, smooth running and no play at the rim Equipped with 4 high quality Abec5, stainless or Hybrid-Ceramic bearings Bearing dimensions are one step beefier than most and much heavier competitors
The smart securing system does not require Quick Release, for a further weight saving.
Stilish Tensioner bolt for the A and C Line gives a light and nice touch
The first Brompton hub compatible with all setups: A,C,P and T-Line
Titanium Bolts heads gives a clean look without hurting you when bike is folded and carried
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