Details
STEEL HARDTAIL, REDEFINED
Radical modern geometry, featuring an ultra-long reach and super slack head angle, makes the Eccentric 29 perfect for riders who like to go full send. Built from custom-drawn Tange chromoly with integrated gussets we designed in-house, this steel 29er balances strength and agility at just ~2.5 kg. It’s engineered to take a beating while delivering pure trail-riding joy.
Decades of dirt jump and hardtail expertise have gone into this frame, making it one of the finest steel hardtails available. Pair it with a 140mm fork and dropper post, and you'll experience fast, fun riding with that unbeatable hardtail grin.
MAIN FEATURES
- super high-end cromoly frame for 29” and 27.5+ wheels
- Boost 148 dropouts
- designed for Trail & All Mountain riding
- high end multi-butted Tange Eccentric tubing
- modern aggressive geometry with long reach and slack angles
TECHINCAL SPECIFICATIONS
| Material | Custom butted 4130 cromoly, Tange Eccentric tubes |
| Sizes | 3 frame sizes (16”, 17.5” & 19.5”) |
| Recommended fork travel | 130-150mm |
| Head tube | Integrated tapered IS42/IS52 |
| Fits forks | Standard 1-1/8” or tapered 1.5 to 1-1/8” steerer tubes |
| Head tube length | S: 105mm, M: 115mm, L: 125mm |
| BB | Threaded 73mm with ISCG-05 mounts |
| Biggest chainring | BOOST only, up to 32t |
| Front derailleur | Not compatible |
| Seat post / clamp | 30.9mm / 34.9mm |
| Max seat post insertion | 270mm (S), 300mm (M & L) |
| Cable routing | Stealth cable routing with rubber grommets in seat tube for dropper post |
| Maximum tire size | 29” x 2.5”, 650B x 3.0” |
| Disc brake | IS-2000 mount, max rotor size: up to 185mm |
| Hub spacing | 148x12mm, NS axle included |
| Weight | ~2.59kg (M size, without axle) |
Note: Specifications subject to change without notice. Actual colours and design may vary slightly from the images on the website.
Geo

| Eccentric Cromo | S | M | L | ||
| Wheel | size | 29" | |||
| Fork | travel | 140 | 140 | 140 | |
| Reach | mm | 425 | 450 | 475 | |
| in | 16.7 | 17.7 | 18.7 | ||
| FC | mm | 760 | 779 | 809 | |
| in | 29.9 | 30.7 | 31.9 | ||
| Standover | mm | 745 | 767 | 802 | |
| in | 29.3 | 30.2 | 31.6 | ||
| Stack | mm | 641 | 641 | 650 | |
| in | 25.2 | 25.2 | 25.6 | ||
| Effective TT | mm | 609 | 634 | 662 | |
| in | 24.0 | 25.0 | 26.1 | ||
| Actual TT | mm | 583 | 603 | 629 | |
| in | 23.0 | 23.7 | 24.8 | ||
| Seat tube | mm | 412 | 450 | 500 | |
| in | 16.2 | 17.7 | 19.7 | ||
| Chain stays | mm | 430 | 430 | 430 | |
| in | 16.9 | 16.9 | 16.9 | ||
| BB rise | mm | -60 | -60 | -60 | |
| in | -2.4 | -2.4 | -2.4 | ||
| Headtube | angle | 65,0 | 65,0 | 65,0 | |
| ST angle | effective | 74,0 | 74,0 | 74,0 | |
| Wheelbase | mm | 1183 | 1203 | 1232 | |
| in | 46.6 | 47.4 | 48.5 | ||