3
WARNING! Failure to follow the seatpost and frame minimum insertion requirements may result in
damage to the frame and/or seatpost, which could cause you to lose control and fall.
If the seatpost is cut short, the min/max mark on the seatpost may no longer be accurate. Before
cutting the seatpost, note the min/max depth required by the seatpost manufacturer.
WARNING! For general instructions regarding the installation of the seatpost, refer to the appropriate
section in the Owner’s Manual. Riding with an improperly tightened seatpost can allow the saddle to
turn or move and cause you to lose control and fall.
WARNING! Inspect the seatpost and seat tube to ensure that there are no burrs or sharp edges.
Remove any burrs or sharp edges using fine grit sandpaper.
Do not apply grease to the contact surfaces between the seatpost and the seat tube. Grease
reduces the friction, which is critical to proper seatpost grip. Specialized recommends the
application of carbon assembly compound (fiber paste), which can increase friction between
carbon surfaces. Please visit your Specialized Authorized Retailer for additional information.
2.3. BOTTOM BRACKET
Epic frames have a threaded 73mm width bottom bracket shell and is compatible with any BSA threaded outboard
bearing bottom bracket. Please refer to the chosen crank manufacturer documentation for bottom bracket compatibility.
2.4. REAR AXLE
Epic models are equipped with 148mm Boost rear hub spacing and require a 148mm Boost compatible rear wheel.
For additional information regarding compatibility, please refer to www.specialized.com.
3. SPECIFICATIONS
WARNING! Specialized frames are compatible ONLY with forks that have a specific maximum
amount of travel (see table below). Use of different styled forks or forks with longer travel may
result in catastrophic failure of the frame which may result in serious personal injury or death.
FORK LENGTH:
WHEEL SIZE FORK TRAVEL
ALL MODELS 100MM
FRAME SPECS:
ITEM PART # SPEC
HEADSET (CARBON FRAME)
CARBON: 1 1/8” UPPER / 1.5” LOWER - DROP-IN BEARINGS
HEADSET (ALLOY FRAME) S182500004
ALLOY: 1 1/8” UPPER / 1.5” LOWER - CUSTOM PRESS-IN CUPS*
SEAT COLLAR DIAMETER S184700003 STC MY18 EPIC SEAT COLLAR 35 MM WITH TI BOLT
SEATPOST DIAMETER 30.9MM
DERAILLEUR HANGER S172600001 HGR MY18 MTB THRU AXLE DER HANGER
BOTTOM BRACKET SHELL BSA THREADED 73MM
REAR HUB SPACING S170200003 AXL MY17 EPIC HT THRU-AXLE 148MM X 12MM
* The press-in headset cups on the alloy frames are custom machined to be flush with the head
tube, but use standard 1 1/8” upper and 1.5” lower press-in cup diameter dimensions.
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