Ship
Get your bike or equipment delivered to your home directly from Bike Mart via our FedEx or USPS Carrier partners. Adult signature is required for all bike deliveries and for equipment & gear deliveries over $500.
For orders that include a bike, it will be professionally pre-built and shipped to your home with minimal assembly needed. While we try to make it as easy as possible, basic mechanical skills and proper tools are required. For orders that include a frameset please visit our support center to make sure you have the specialty tools and skills required.
If you decide to take your bike to a local retailer for assembly, additional fees will apply.
Pickup
We’ve made it easier than ever to get the gear and bikes you love—fast. With our Buy Online, Pick Up In Store (BOPIS) option, you can shop online and pick up your items at your convenience from any of our six DFW locations.
The best part about picking up at a Bike Mart location is that you get the same high quality service with the convenience of having the exact bike or part.
Bikes / Car Racks will be assembled and installed at no extra charge
Delivery
When you select "Home Delivery" at checkout. Your bike will be professionally assembled and the closest Bike Mart store will call you to schedule the delivery.
We offer home delivery for bike purchases only within 10 miles of a Bike Mart location. Contact us if you live beyond 10 miles and we can discuss more options. Additional fees may apply.
In stock bikes will be delivered within 7 days. Warehouse bikes will delivered within 14 days*.
Overview
Overview
- Designed to bridge the gap between the 40 and 110-series headsets
- Contoured and relieved 6061-T6 aluminum for minimized weight and maximized strength
- Low-friction upper bearing seal completely seals cup from contaminants and is fully captured by the top cover with no loose parts. Premium, sealed stainless-steel Hellbender bearings
- Dual-Seal crown race provides excellent seal efficiency with low friction
- Carbon friendly compression ring and Interlok spacer compatible
| Model | Hellbender 70 |
| S.H.I.S. | IS41/28.6 / IS52/40, IS42/28.6 / IS52/40, ZS44/28.6 / EC44/40, ZS44/28.6 / ZS56/40 |
| Stack | 8mm/12mm, 8mm/4mm, 9mm/1mm |
| Color | Black, Blue, Gold, Purple, Red, Silver |
| Weight | 118g, 120g, 88g, 89g |
| Lower Stack Height | 1, 12, 4 |
| Material | Stainless Steel |
| Upper Stack Height | 8, 9 |
| S.H.I.S Upper | IS41, IS42, ZS44, ZS56 |
| S.H.I.S. Stem Clamp Diameter | 28.6 Threadless |
| S.H.I.S Lower | EC44, IS52, ZS56 |
| Crown Race | 40 |
| Bearing Type | Cartridge |
| Defined Color | Black, Purple, Silver |
| Stack Height | 10, 12, 20 |





















