Santa Cruz Blur 70 Trail Carbon Mountain Bike
For 12-speed shifting, the Santa Cruz Blur 70 trail mountain bike combines a SRAM 70 Eagle T-Type 12-speed drivetrain with a SRAM XS 1270 Eagle T-Type 10-52t cassette.
- The SDG Tellis Dropper seatpost uses a 31.6mm diameter.
- The Carbon C frame forms this mountain bike chassis.
- The RockShox SID Base fork has 120mm of travel.
- The bottom bracket shell uses the 73mm Threaded standard.
- This mountain bike uses a 29″ wheel-size configuration.
- Ready to Ride guarantee 100% Built.
- Safe International Doorstep Bike Shipping.
Description
Eliminate singletrack trail chatter using the Santa Cruz Blur 70 Trail carbon cross-country mountain bike. Built with Carbon C composite and the Superlight suspension system, the chassis provides 115mm of rear travel paired with a 120mm RockShox SID Base fork and a FOX Rhythm rear shock.
This complete build features a mechanical 12-speed SRAM 70 Eagle T-Type drivetrain (34T crankset, 10-52T cassette), SRAM DB8 4-piston hydraulic disc brakes with 180mm Centerline rotors, RaceFace AR Offset 27 alloy wheels on SRAM MTH hubs, Maxxis Rekon 29×2.4-inch WT tires, RaceFace Ride cockpit, ESI Chunky grips, and an SDG Tellis dropper post. Available in Gloss Light Teal and Gloss Fog, pedals are sold separately.
Key Specifications of the Santa Cruz Blur 70 Trail Mountain Bike
- Carbon C frame provides 115mm of Superlight cross-country suspension travel.
- RockShox SID Base suspension fork delivers 120mm of front travel.
- FOX Rhythm rear shock measures 190mm by 45mm stroke.
- SRAM 70 Eagle T-Type 12-speed mechanical drivetrain shifts a 10-52T cassette.
- SRAM DB8 4-piston hydraulic disc brakes clamp 180mm Centerline rotors.
- RaceFace AR Offset 27 rims lace to SRAM MTH hubs.
- Maxxis Rekon 29×2.4-inch tires provide dependable singletrack traction.
- SDG Tellis dropper seatpost delivers remote saddle height adjustment.
- Frame accommodates three total water bottle cage mounting locations.
- Complete bicycle weighs 29.75 pounds or 13.5 kg.
Who This Cross-Country Mountain Bike Fits
Down-country cyclists, marathon riders, and trail enthusiasts seeking a carbon 29er with 115mm of efficient rear travel and mechanical T-Type shifting will excel on this platform. The 120mm front fork and high-volume 2.4-inch tires offer control through rock gardens and flowing singletrack.
Build Considerations
The chassis incorporates a 73mm BSA threaded bottom bracket, 12x148mm Boost rear axle, post-mount 160mm brake tabs, and an integrated IS41/52 headset. The frame supports 1x chainrings up to 36T and includes internal routing channels for shifter and dropper lines.
Before Ordering the Santa Cruz Blur 70 Trail Mountain Bike
Consult sizing dimensions: Small fits 155 to 168 cm (5’1″ to 5’6″), Medium fits 168 to 180 cm (5’6″ to 5’11”), Large fits 178 to 190 cm (5’10” to 6’3″), and XL fits 188 to 200 cm (6’2″ to 6’7″). Ensure you have a set of mountain bike pedals ready for installation upon delivery.
Santa Cruz Blur 70 Trail Specs
| Brand | Santa Cruz |
| Model | Blur 70 Trail |
| Bike Type | Cross Country Mountain Bike |
| Color | Gloss Light Teal, Gloss Fog |
| Sizes | S, M, L, XL |
| Frame | Carbon C 29" 115mm Travel Superlight |
| Frame Travel | 115mm |
| Weight | 29.75lbs / 13.5 kg |
| Wheel Size | 29" |
| Fork | RockShox SID Base, 120mm, with 3-Position Lever |
| Shock | FOX Rhythm, 190x45 |
| Bottom Bracket | SRAM DUB 73mm MTB Wide BB |
| Cassette | SRAM XS 1270 Eagle T-Type, 10-52t |
| Chain | SRAM 70 Eagle T-Type, Flattop, 12spd |
| Chainguide | OneUp Chainguide |
| Crankset | SRAM 70 Eagle DUB T-Type Crankset, 34t |
| Rear Derailleur | SRAM 70 Eagle T-Type, 12spd |
| Right Shifter | SRAM 90 Eagle T-Type, 12spd |
| Front Brake | SRAM DB8 |
| Front Rotor | SRAM Centerline, 180mm |
| Rear Rotor | SRAM Centerline, 180mm |
| Grips | ESI Chunky Grips |
| Handlebars | RaceFace Ride, 10mm Rise, 35x760mm |
| Headset | Cane Creek 10 IS Integrated Headset |
| Saddle | SDG Bel-Air V3, Steel |
| Seatpost | SDG Tellis Dropper, 31.6 |
| Stem | RaceFace Ride, 60mm |
| Front Rim | RaceFace AR Offset 27 29" |
| Front Hub | SRAM MTH 716, 15x110, 6-Bolt, 32h |
| Front Tire | Maxxis Rekon 29"x2.4"WT, 3C MaxxTerra, EXO |
| Rear Rim | RaceFace AR Offset 27 29" |
| Rear Hub | SRAM MTH 746, 12x148, HG, 6-Bolt, 32h |
| Rear Tire | Maxxis Rekon 29"x2.4"WT, 3C MaxxTerra, EXO |
| Bottom Bracket Shell | 73mm Threaded |
| Rear Brake Mount | 160 PM |
| Shock Length | 190mm |
| Fork Compatibility | 100-120mm |
| Fork Offset | 44mm |
| Front Derailleur Mount | No compatibility |
| Headset Standard | Integrated IS41/52 |
| Max Chainring Size | 36t |
| Max Tire Clearance | 2.4" |
| Seat Clamp Diameter | 36.4mm |
| Seat Post Diameter | 31.6mm |
| Shock Bushing Size Front | 20x8 |
| Shock Bushing Size Rear | 20x8 |
| Shock Stroke | 42.5mm XC | 45mm TR |
| Suspension System | Superlight |
| Water Bottle Mounts | 2 inside main triangle | 1 under downtube |
| Manufacturer Warranty | Santa Cruz offers a lifetime warranty on frames and rigid forks for the original owner. Paint, finishes, and decals are covered for 3 years. Pivot bearings, Santa Cruz carbon handlebars, bottle cages, and Reserve carbon rims are covered for life for the original owner. |
Santa Cruz Blur 70 Trail Included:
- SRAM 70 Eagle T-Type drivetrain setup and adjustment accessories.
- RockShox SID Base 120mm fork and Superlight rear shock air setup guide.
- SDG Tellis dropper seatpost handlebar remote lever and cable.
- Stan's / RaceFace tubeless-ready rim tape and tubeless valve stems.
- SRAM DB8 hydraulic disc brake caliper transport spacers.
- Safety reflector kit (front, rear, wheel) and compact bicycle bell.
- Bicycle User Manual Book.
- Official Manufacturer Warranty Card.
Santa Cruz Blur 70 Trail Carbon Mountain Bike General Questions
Q: What riding conditions suit the Santa Cruz Blur 70 Trail?A: The Santa Cruz Blur 70 Trail Carbon Mountain Bike suits downcountry singletrack, forest loops, and marathon rides with 120 mm RockShox SID Base suspension and 115 mm rear damping.
A: Set air pressure on the DebonAir spring for 20% sag using a shock pump, clean 35 mm stanchions after dusty rides, and service lower leg oil every 50 hours.
A: The build features SRAM Level hydraulic disc brakes with 180 mm front and 160 mm rear rotors for consistent, all-weather stopping leverage.
A: High-modulus Carbon C construction provides excellent impact resistance against trail debris while keeping complete bike weight around 12.2 kg.
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